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Finding the Fourth Proportional to 88,340.70, 132,460.70 and 60,294.71

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Solution

The fourth proportional to 88,340.70, 132,460.70 and 60,294.71 is: 90,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,340.70 : 132,460.70 = 60,294.71 : x
  2. Step 2: Convert to fraction form
    88,340.70/132,460.70 = 60,294.71/x
  3. Step 3: Cross multiply
    88,340.70x = 132,460.70 × 60,294.71
  4. Step 4: Simplify right side
    88,340.70x = 7,986,678,529.12
  5. Step 5: Solve for x
    x = 7,986,678,529.12/88,340.70
  6. Step 6: Final answer
    x = 90,407.69

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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.