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Finding the Fourth Proportional to 88,101.84, 132,381.99 and 82,342.74

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Solution

The fourth proportional to 88,101.84, 132,381.99 and 82,342.74 is: 123,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,101.84 : 132,381.99 = 82,342.74 : x
  2. Step 2: Convert to fraction form
    88,101.84/132,381.99 = 82,342.74/x
  3. Step 3: Cross multiply
    88,101.84x = 132,381.99 × 82,342.74
  4. Step 4: Simplify right side
    88,101.84x = 10,900,695,783.25
  5. Step 5: Solve for x
    x = 10,900,695,783.25/88,101.84
  6. Step 6: Final answer
    x = 123,728.36

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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.