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Finding the Fourth Proportional to 88,301.84, 132,449.79 and 38,381.90

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Solution

The fourth proportional to 88,301.84, 132,449.79 and 38,381.90 is: 57,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,301.84 : 132,449.79 = 38,381.90 : x
  2. Step 2: Convert to fraction form
    88,301.84/132,449.79 = 38,381.90/x
  3. Step 3: Cross multiply
    88,301.84x = 132,449.79 × 38,381.90
  4. Step 4: Simplify right side
    88,301.84x = 5,083,674,594.80
  5. Step 5: Solve for x
    x = 5,083,674,594.80/88,301.84
  6. Step 6: Final answer
    x = 57,571.56

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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.