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Finding the Fourth Proportional to 60,654.50, 90,969.20 and 16,270.70

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Solution

The fourth proportional to 60,654.50, 90,969.20 and 16,270.70 is: 24,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,654.50 : 90,969.20 = 16,270.70 : x
  2. Step 2: Convert to fraction form
    60,654.50/90,969.20 = 16,270.70/x
  3. Step 3: Cross multiply
    60,654.50x = 90,969.20 × 16,270.70
  4. Step 4: Simplify right side
    60,654.50x = 1,480,132,562.44
  5. Step 5: Solve for x
    x = 1,480,132,562.44/60,654.50
  6. Step 6: Final answer
    x = 24,402.68

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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.