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Finding the Fourth Proportional to 88,562.97, 132,257.42 and 77,832.09

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Solution

The fourth proportional to 88,562.97, 132,257.42 and 77,832.09 is: 116,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,562.97 : 132,257.42 = 77,832.09 : x
  2. Step 2: Convert to fraction form
    88,562.97/132,257.42 = 77,832.09/x
  3. Step 3: Cross multiply
    88,562.97x = 132,257.42 × 77,832.09
  4. Step 4: Simplify right side
    88,562.97x = 10,293,871,416.61
  5. Step 5: Solve for x
    x = 10,293,871,416.61/88,562.97
  6. Step 6: Final answer
    x = 116,232.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.