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Finding the Fourth Proportional to 88,866.24, 133,299.36 and 38,934.60

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Solution

The fourth proportional to 88,866.24, 133,299.36 and 38,934.60 is: 58,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,866.24 : 133,299.36 = 38,934.60 : x
  2. Step 2: Convert to fraction form
    88,866.24/133,299.36 = 38,934.60/x
  3. Step 3: Cross multiply
    88,866.24x = 133,299.36 × 38,934.60
  4. Step 4: Simplify right side
    88,866.24x = 5,189,957,261.86
  5. Step 5: Solve for x
    x = 5,189,957,261.86/88,866.24
  6. Step 6: Final answer
    x = 58,401.90

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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.