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Finding the Fourth Proportional to 88,443.68, 132,642.11 and 60,358.68

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Solution

The fourth proportional to 88,443.68, 132,642.11 and 60,358.68 is: 90,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,443.68 : 132,642.11 = 60,358.68 : x
  2. Step 2: Convert to fraction form
    88,443.68/132,642.11 = 60,358.68/x
  3. Step 3: Cross multiply
    88,443.68x = 132,642.11 × 60,358.68
  4. Step 4: Simplify right side
    88,443.68x = 8,006,102,370.22
  5. Step 5: Solve for x
    x = 8,006,102,370.22/88,443.68
  6. Step 6: Final answer
    x = 90,522.05

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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.