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Finding the Fourth Proportional to 72,324,006.60, 108,486,009.90 and 24,454,950.60

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Solution

The fourth proportional to 72,324,006.60, 108,486,009.90 and 24,454,950.60 is: 36,682,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,324,006.60 : 108,486,009.90 = 24,454,950.60 : x
  2. Step 2: Convert to fraction form
    72,324,006.60/108,486,009.90 = 24,454,950.60/x
  3. Step 3: Cross multiply
    72,324,006.60x = 108,486,009.90 × 24,454,950.60
  4. Step 4: Simplify right side
    72,324,006.60x = 2,653,020,012,895,611
  5. Step 5: Solve for x
    x = 2,653,020,012,895,611/72,324,006.60
  6. Step 6: Final answer
    x = 36,682,425.90

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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.