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Finding the Fourth Proportional to 144,353.58, 216,608.13 and 60,171.90

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Solution

The fourth proportional to 144,353.58, 216,608.13 and 60,171.90 is: 90,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,353.58 : 216,608.13 = 60,171.90 : x
  2. Step 2: Convert to fraction form
    144,353.58/216,608.13 = 60,171.90/x
  3. Step 3: Cross multiply
    144,353.58x = 216,608.13 × 60,171.90
  4. Step 4: Simplify right side
    144,353.58x = 13,033,722,737.55
  5. Step 5: Solve for x
    x = 13,033,722,737.55/144,353.58
  6. Step 6: Final answer
    x = 90,290.26

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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.