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Finding the Fourth Proportional to 234,101.10, 351,151.65 and 127,812.90

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Solution

The fourth proportional to 234,101.10, 351,151.65 and 127,812.90 is: 191,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,101.10 : 351,151.65 = 127,812.90 : x
  2. Step 2: Convert to fraction form
    234,101.10/351,151.65 = 127,812.90/x
  3. Step 3: Cross multiply
    234,101.10x = 351,151.65 × 127,812.90
  4. Step 4: Simplify right side
    234,101.10x = 44,881,710,726.29
  5. Step 5: Solve for x
    x = 44,881,710,726.29/234,101.10
  6. Step 6: Final answer
    x = 191,719.35

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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.