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Finding the Fourth Proportional to 88,854.69, 133,288.92 and 29,690.57

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Solution

The fourth proportional to 88,854.69, 133,288.92 and 29,690.57 is: 44,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,854.69 : 133,288.92 = 29,690.57 : x
  2. Step 2: Convert to fraction form
    88,854.69/133,288.92 = 29,690.57/x
  3. Step 3: Cross multiply
    88,854.69x = 133,288.92 × 29,690.57
  4. Step 4: Simplify right side
    88,854.69x = 3,957,423,343.04
  5. Step 5: Solve for x
    x = 3,957,423,343.04/88,854.69
  6. Step 6: Final answer
    x = 44,538.15

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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.