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Finding the Fourth Proportional to 234,513.96, 351,639.72 and 76,700.04

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Solution

The fourth proportional to 234,513.96, 351,639.72 and 76,700.04 is: 115,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,513.96 : 351,639.72 = 76,700.04 : x
  2. Step 2: Convert to fraction form
    234,513.96/351,639.72 = 76,700.04/x
  3. Step 3: Cross multiply
    234,513.96x = 351,639.72 × 76,700.04
  4. Step 4: Simplify right side
    234,513.96x = 26,970,780,589.59
  5. Step 5: Solve for x
    x = 26,970,780,589.59/234,513.96
  6. Step 6: Final answer
    x = 115,007.14

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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.