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Finding the Fourth Proportional to 88,788.64, 133,299.60 and 62,505.76

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Solution

The fourth proportional to 88,788.64, 133,299.60 and 62,505.76 is: 93,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,788.64 : 133,299.60 = 62,505.76 : x
  2. Step 2: Convert to fraction form
    88,788.64/133,299.60 = 62,505.76/x
  3. Step 3: Cross multiply
    88,788.64x = 133,299.60 × 62,505.76
  4. Step 4: Simplify right side
    88,788.64x = 8,331,992,805.70
  5. Step 5: Solve for x
    x = 8,331,992,805.70/88,788.64
  6. Step 6: Final answer
    x = 93,840.75

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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.