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Finding the Fourth Proportional to 361,512.60, 542,266.17 and 108,792

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Solution

The fourth proportional to 361,512.60, 542,266.17 and 108,792 is: 163,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,512.60 : 542,266.17 = 108,792 : x
  2. Step 2: Convert to fraction form
    361,512.60/542,266.17 = 108,792/x
  3. Step 3: Cross multiply
    361,512.60x = 542,266.17 × 108,792
  4. Step 4: Simplify right side
    361,512.60x = 58,994,221,166.64
  5. Step 5: Solve for x
    x = 58,994,221,166.64/361,512.60
  6. Step 6: Final answer
    x = 163,187.18

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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.