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Finding the Fourth Proportional to 89,326.92, 133,866 and 59,376.36

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Solution

The fourth proportional to 89,326.92, 133,866 and 59,376.36 is: 88,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,326.92 : 133,866 = 59,376.36 : x
  2. Step 2: Convert to fraction form
    89,326.92/133,866 = 59,376.36/x
  3. Step 3: Cross multiply
    89,326.92x = 133,866 × 59,376.36
  4. Step 4: Simplify right side
    89,326.92x = 7,948,475,807.76
  5. Step 5: Solve for x
    x = 7,948,475,807.76/89,326.92
  6. Step 6: Final answer
    x = 88,981.86

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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.