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Finding the Fourth Proportional to 151,915.68, 227,430.72 and 88,542

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Solution

The fourth proportional to 151,915.68, 227,430.72 and 88,542 is: 132,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,915.68 : 227,430.72 = 88,542 : x
  2. Step 2: Convert to fraction form
    151,915.68/227,430.72 = 88,542/x
  3. Step 3: Cross multiply
    151,915.68x = 227,430.72 × 88,542
  4. Step 4: Simplify right side
    151,915.68x = 20,137,170,810.24
  5. Step 5: Solve for x
    x = 20,137,170,810.24/151,915.68
  6. Step 6: Final answer
    x = 132,554.92

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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.