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Finding the Fourth Proportional to 88,356.30, 132,534.45 and 87,044.10

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Solution

The fourth proportional to 88,356.30, 132,534.45 and 87,044.10 is: 130,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,356.30 : 132,534.45 = 87,044.10 : x
  2. Step 2: Convert to fraction form
    88,356.30/132,534.45 = 87,044.10/x
  3. Step 3: Cross multiply
    88,356.30x = 132,534.45 × 87,044.10
  4. Step 4: Simplify right side
    88,356.30x = 11,536,341,919.25
  5. Step 5: Solve for x
    x = 11,536,341,919.25/88,356.30
  6. Step 6: Final answer
    x = 130,566.15

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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.