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Finding the Fourth Proportional to 168,061.60, 252,189.60 and 62,891.20

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Solution

The fourth proportional to 168,061.60, 252,189.60 and 62,891.20 is: 94,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,061.60 : 252,189.60 = 62,891.20 : x
  2. Step 2: Convert to fraction form
    168,061.60/252,189.60 = 62,891.20/x
  3. Step 3: Cross multiply
    168,061.60x = 252,189.60 × 62,891.20
  4. Step 4: Simplify right side
    168,061.60x = 15,860,506,571.52
  5. Step 5: Solve for x
    x = 15,860,506,571.52/168,061.60
  6. Step 6: Final answer
    x = 94,373.17

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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.