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Finding the Fourth Proportional to 169,314,793.20, 253,972,189.80 and 54,310,960.80

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Solution

The fourth proportional to 169,314,793.20, 253,972,189.80 and 54,310,960.80 is: 81,466,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,314,793.20 : 253,972,189.80 = 54,310,960.80 : x
  2. Step 2: Convert to fraction form
    169,314,793.20/253,972,189.80 = 54,310,960.80/x
  3. Step 3: Cross multiply
    169,314,793.20x = 253,972,189.80 × 54,310,960.80
  4. Step 4: Simplify right side
    169,314,793.20x = 13,793,473,644,517,960
  5. Step 5: Solve for x
    x = 13,793,473,644,517,960/169,314,793.20
  6. Step 6: Final answer
    x = 81,466,441.20

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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.