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Finding the Fourth Proportional to 67,474,689.80, 101,212,034.70 and 41,965,521.80

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Solution

The fourth proportional to 67,474,689.80, 101,212,034.70 and 41,965,521.80 is: 62,948,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,474,689.80 : 101,212,034.70 = 41,965,521.80 : x
  2. Step 2: Convert to fraction form
    67,474,689.80/101,212,034.70 = 41,965,521.80/x
  3. Step 3: Cross multiply
    67,474,689.80x = 101,212,034.70 × 41,965,521.80
  4. Step 4: Simplify right side
    67,474,689.80x = 4,247,415,848,625,206.50
  5. Step 5: Solve for x
    x = 4,247,415,848,625,206.50/67,474,689.80
  6. Step 6: Final answer
    x = 62,948,282.70

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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.