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Finding the Fourth Proportional to 84,388.77, 126,472.42 and 62,097.77

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Solution

The fourth proportional to 84,388.77, 126,472.42 and 62,097.77 is: 93,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,388.77 : 126,472.42 = 62,097.77 : x
  2. Step 2: Convert to fraction form
    84,388.77/126,472.42 = 62,097.77/x
  3. Step 3: Cross multiply
    84,388.77x = 126,472.42 × 62,097.77
  4. Step 4: Simplify right side
    84,388.77x = 7,853,655,642.31
  5. Step 5: Solve for x
    x = 7,853,655,642.31/84,388.77
  6. Step 6: Final answer
    x = 93,065.17

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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.