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Finding the Fourth Proportional to 169,987,276.80, 254,980,915.20 and 132,998,983.20

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Solution

The fourth proportional to 169,987,276.80, 254,980,915.20 and 132,998,983.20 is: 199,498,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,987,276.80 : 254,980,915.20 = 132,998,983.20 : x
  2. Step 2: Convert to fraction form
    169,987,276.80/254,980,915.20 = 132,998,983.20/x
  3. Step 3: Cross multiply
    169,987,276.80x = 254,980,915.20 × 132,998,983.20
  4. Step 4: Simplify right side
    169,987,276.80x = 33,912,202,457,005,424
  5. Step 5: Solve for x
    x = 33,912,202,457,005,424/169,987,276.80
  6. Step 6: Final answer
    x = 199,498,474.80

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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.