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Finding the Fourth Proportional to 113,107.38, 169,603.05 and 59,828.11

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Solution

The fourth proportional to 113,107.38, 169,603.05 and 59,828.11 is: 89,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,107.38 : 169,603.05 = 59,828.11 : x
  2. Step 2: Convert to fraction form
    113,107.38/169,603.05 = 59,828.11/x
  3. Step 3: Cross multiply
    113,107.38x = 169,603.05 × 59,828.11
  4. Step 4: Simplify right side
    113,107.38x = 10,147,029,507.73
  5. Step 5: Solve for x
    x = 10,147,029,507.73/113,107.38
  6. Step 6: Final answer
    x = 89,711.47

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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.