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Finding the Fourth Proportional to 135,551, 203,244.45 and 60,657.17

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Solution

The fourth proportional to 135,551, 203,244.45 and 60,657.17 is: 90,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,551 : 203,244.45 = 60,657.17 : x
  2. Step 2: Convert to fraction form
    135,551/203,244.45 = 60,657.17/x
  3. Step 3: Cross multiply
    135,551x = 203,244.45 × 60,657.17
  4. Step 4: Simplify right side
    135,551x = 12,328,233,155.21
  5. Step 5: Solve for x
    x = 12,328,233,155.21/135,551
  6. Step 6: Final answer
    x = 90,949.04

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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.