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Finding the Fourth Proportional to 88,620.90, 132,956.46 and 36,068.10

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Solution

The fourth proportional to 88,620.90, 132,956.46 and 36,068.10 is: 54,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,620.90 : 132,956.46 = 36,068.10 : x
  2. Step 2: Convert to fraction form
    88,620.90/132,956.46 = 36,068.10/x
  3. Step 3: Cross multiply
    88,620.90x = 132,956.46 × 36,068.10
  4. Step 4: Simplify right side
    88,620.90x = 4,795,486,894.93
  5. Step 5: Solve for x
    x = 4,795,486,894.93/88,620.90
  6. Step 6: Final answer
    x = 54,112.37

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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.