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Finding the Fourth Proportional to 234,013.92, 351,020.58 and 76,242.12

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Solution

The fourth proportional to 234,013.92, 351,020.58 and 76,242.12 is: 114,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,013.92 : 351,020.58 = 76,242.12 : x
  2. Step 2: Convert to fraction form
    234,013.92/351,020.58 = 76,242.12/x
  3. Step 3: Cross multiply
    234,013.92x = 351,020.58 × 76,242.12
  4. Step 4: Simplify right side
    234,013.92x = 26,762,553,182.83
  5. Step 5: Solve for x
    x = 26,762,553,182.83/234,013.92
  6. Step 6: Final answer
    x = 114,363.08

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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.