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Finding the Fourth Proportional to 88,630.20, 132,943.14 and 36,026.64

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Solution

The fourth proportional to 88,630.20, 132,943.14 and 36,026.64 is: 54,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,630.20 : 132,943.14 = 36,026.64 : x
  2. Step 2: Convert to fraction form
    88,630.20/132,943.14 = 36,026.64/x
  3. Step 3: Cross multiply
    88,630.20x = 132,943.14 × 36,026.64
  4. Step 4: Simplify right side
    88,630.20x = 4,789,494,645.25
  5. Step 5: Solve for x
    x = 4,789,494,645.25/88,630.20
  6. Step 6: Final answer
    x = 54,039.08

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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.