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Finding the Fourth Proportional to 169,971,864.60, 254,957,796.90 and 155,800,104.60

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Solution

The fourth proportional to 169,971,864.60, 254,957,796.90 and 155,800,104.60 is: 233,700,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,971,864.60 : 254,957,796.90 = 155,800,104.60 : x
  2. Step 2: Convert to fraction form
    169,971,864.60/254,957,796.90 = 155,800,104.60/x
  3. Step 3: Cross multiply
    169,971,864.60x = 254,957,796.90 × 155,800,104.60
  4. Step 4: Simplify right side
    169,971,864.60x = 39,722,451,425,605,552
  5. Step 5: Solve for x
    x = 39,722,451,425,605,552/169,971,864.60
  6. Step 6: Final answer
    x = 233,700,156.90

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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.