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Finding the Fourth Proportional to 115,732.97, 159,802.09 and 88,832.87

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Solution

The fourth proportional to 115,732.97, 159,802.09 and 88,832.87 is: 122,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,732.97 : 159,802.09 = 88,832.87 : x
  2. Step 2: Convert to fraction form
    115,732.97/159,802.09 = 88,832.87/x
  3. Step 3: Cross multiply
    115,732.97x = 159,802.09 × 88,832.87
  4. Step 4: Simplify right side
    115,732.97x = 14,195,677,265.61
  5. Step 5: Solve for x
    x = 14,195,677,265.61/115,732.97
  6. Step 6: Final answer
    x = 122,658.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.