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Finding the Fourth Proportional to 228,601.20, 342,901.80 and 95,437.20

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Solution

The fourth proportional to 228,601.20, 342,901.80 and 95,437.20 is: 143,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,601.20 : 342,901.80 = 95,437.20 : x
  2. Step 2: Convert to fraction form
    228,601.20/342,901.80 = 95,437.20/x
  3. Step 3: Cross multiply
    228,601.20x = 342,901.80 × 95,437.20
  4. Step 4: Simplify right side
    228,601.20x = 32,725,587,666.96
  5. Step 5: Solve for x
    x = 32,725,587,666.96/228,601.20
  6. Step 6: Final answer
    x = 143,155.80

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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.