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Finding the Fourth Proportional to 71,897,729.70, 107,846,594.55 and 71,897,729.70

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Solution

The fourth proportional to 71,897,729.70, 107,846,594.55 and 71,897,729.70 is: 107,846,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,897,729.70 : 107,846,594.55 = 71,897,729.70 : x
  2. Step 2: Convert to fraction form
    71,897,729.70/107,846,594.55 = 71,897,729.70/x
  3. Step 3: Cross multiply
    71,897,729.70x = 107,846,594.55 × 71,897,729.70
  4. Step 4: Simplify right side
    71,897,729.70x = 7,753,925,304,021,393
  5. Step 5: Solve for x
    x = 7,753,925,304,021,393/71,897,729.70
  6. Step 6: Final answer
    x = 107,846,594.55

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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.