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Finding the Fourth Proportional to 88,156.52, 132,254.34 and 28,989.80

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Solution

The fourth proportional to 88,156.52, 132,254.34 and 28,989.80 is: 43,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,156.52 : 132,254.34 = 28,989.80 : x
  2. Step 2: Convert to fraction form
    88,156.52/132,254.34 = 28,989.80/x
  3. Step 3: Cross multiply
    88,156.52x = 132,254.34 × 28,989.80
  4. Step 4: Simplify right side
    88,156.52x = 3,834,026,865.73
  5. Step 5: Solve for x
    x = 3,834,026,865.73/88,156.52
  6. Step 6: Final answer
    x = 43,491.13

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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.