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Finding the Fourth Proportional to 228,409.83, 342,818.25 and 108,614.46

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Solution

The fourth proportional to 228,409.83, 342,818.25 and 108,614.46 is: 163,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,409.83 : 342,818.25 = 108,614.46 : x
  2. Step 2: Convert to fraction form
    228,409.83/342,818.25 = 108,614.46/x
  3. Step 3: Cross multiply
    228,409.83x = 342,818.25 × 108,614.46
  4. Step 4: Simplify right side
    228,409.83x = 37,235,019,101.90
  5. Step 5: Solve for x
    x = 37,235,019,101.90/228,409.83
  6. Step 6: Final answer
    x = 163,018.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.