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Finding the Fourth Proportional to 228,210.90, 342,316.35 and 95,046.90

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Solution

The fourth proportional to 228,210.90, 342,316.35 and 95,046.90 is: 142,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,210.90 : 342,316.35 = 95,046.90 : x
  2. Step 2: Convert to fraction form
    228,210.90/342,316.35 = 95,046.90/x
  3. Step 3: Cross multiply
    228,210.90x = 342,316.35 × 95,046.90
  4. Step 4: Simplify right side
    228,210.90x = 32,536,107,886.82
  5. Step 5: Solve for x
    x = 32,536,107,886.82/228,210.90
  6. Step 6: Final answer
    x = 142,570.35

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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.