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Finding the Fourth Proportional to 88,678.60, 132,966.67 and 60,632.62

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Solution

The fourth proportional to 88,678.60, 132,966.67 and 60,632.62 is: 90,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.60 : 132,966.67 = 60,632.62 : x
  2. Step 2: Convert to fraction form
    88,678.60/132,966.67 = 60,632.62/x
  3. Step 3: Cross multiply
    88,678.60x = 132,966.67 × 60,632.62
  4. Step 4: Simplify right side
    88,678.60x = 8,062,117,574.78
  5. Step 5: Solve for x
    x = 8,062,117,574.78/88,678.60
  6. Step 6: Final answer
    x = 90,913.90

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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.