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Finding the Fourth Proportional to 88,854.59, 133,288.78 and 29,690.48

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Solution

The fourth proportional to 88,854.59, 133,288.78 and 29,690.48 is: 44,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,854.59 : 133,288.78 = 29,690.48 : x
  2. Step 2: Convert to fraction form
    88,854.59/133,288.78 = 29,690.48/x
  3. Step 3: Cross multiply
    88,854.59x = 133,288.78 × 29,690.48
  4. Step 4: Simplify right side
    88,854.59x = 3,957,407,116.14
  5. Step 5: Solve for x
    x = 3,957,407,116.14/88,854.59
  6. Step 6: Final answer
    x = 44,538.01

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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.