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Finding the Fourth Proportional to 88,490.75, 132,758.80 and 29,342.93

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Solution

The fourth proportional to 88,490.75, 132,758.80 and 29,342.93 is: 44,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,490.75 : 132,758.80 = 29,342.93 : x
  2. Step 2: Convert to fraction form
    88,490.75/132,758.80 = 29,342.93/x
  3. Step 3: Cross multiply
    88,490.75x = 132,758.80 × 29,342.93
  4. Step 4: Simplify right side
    88,490.75x = 3,895,531,438.13
  5. Step 5: Solve for x
    x = 3,895,531,438.13/88,490.75
  6. Step 6: Final answer
    x = 44,021.91

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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.