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Finding the Fourth Proportional to 234,439.68, 351,654.56 and 56,947.52

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Solution

The fourth proportional to 234,439.68, 351,654.56 and 56,947.52 is: 85,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,439.68 : 351,654.56 = 56,947.52 : x
  2. Step 2: Convert to fraction form
    234,439.68/351,654.56 = 56,947.52/x
  3. Step 3: Cross multiply
    234,439.68x = 351,654.56 × 56,947.52
  4. Step 4: Simplify right side
    234,439.68x = 20,025,855,088.69
  5. Step 5: Solve for x
    x = 20,025,855,088.69/234,439.68
  6. Step 6: Final answer
    x = 85,420.08

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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.