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Finding the Fourth Proportional to 71,364,608.70, 107,046,913.05 and 67,679,951.10

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Solution

The fourth proportional to 71,364,608.70, 107,046,913.05 and 67,679,951.10 is: 101,519,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364,608.70 : 107,046,913.05 = 67,679,951.10 : x
  2. Step 2: Convert to fraction form
    71,364,608.70/107,046,913.05 = 67,679,951.10/x
  3. Step 3: Cross multiply
    71,364,608.70x = 107,046,913.05 × 67,679,951.10
  4. Step 4: Simplify right side
    71,364,608.70x = 7,244,929,840,629,951
  5. Step 5: Solve for x
    x = 7,244,929,840,629,951/71,364,608.70
  6. Step 6: Final answer
    x = 101,519,926.65

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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.