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Finding the Fourth Proportional to 167,344,001.20, 251,016,001.80 and 167,344,001.20

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Solution

The fourth proportional to 167,344,001.20, 251,016,001.80 and 167,344,001.20 is: 251,016,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,344,001.20 : 251,016,001.80 = 167,344,001.20 : x
  2. Step 2: Convert to fraction form
    167,344,001.20/251,016,001.80 = 167,344,001.20/x
  3. Step 3: Cross multiply
    167,344,001.20x = 251,016,001.80 × 167,344,001.20
  4. Step 4: Simplify right side
    167,344,001.20x = 42,006,022,106,438,400
  5. Step 5: Solve for x
    x = 42,006,022,106,438,400/167,344,001.20
  6. Step 6: Final answer
    x = 251,016,001.80

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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.