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Finding the Fourth Proportional to 104,411.60, 156,617.40 and 60,174.80

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Solution

The fourth proportional to 104,411.60, 156,617.40 and 60,174.80 is: 90,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,411.60 : 156,617.40 = 60,174.80 : x
  2. Step 2: Convert to fraction form
    104,411.60/156,617.40 = 60,174.80/x
  3. Step 3: Cross multiply
    104,411.60x = 156,617.40 × 60,174.80
  4. Step 4: Simplify right side
    104,411.60x = 9,424,420,721.52
  5. Step 5: Solve for x
    x = 9,424,420,721.52/104,411.60
  6. Step 6: Final answer
    x = 90,262.20

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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.