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Finding the Fourth Proportional to 60,891,611.78, 83,949,134.23 and 48,374,199.83

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Solution

The fourth proportional to 60,891,611.78, 83,949,134.23 and 48,374,199.83 is: 66,691,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,891,611.78 : 83,949,134.23 = 48,374,199.83 : x
  2. Step 2: Convert to fraction form
    60,891,611.78/83,949,134.23 = 48,374,199.83/x
  3. Step 3: Cross multiply
    60,891,611.78x = 83,949,134.23 × 48,374,199.83
  4. Step 4: Simplify right side
    60,891,611.78x = 4,060,972,195,067,854
  5. Step 5: Solve for x
    x = 4,060,972,195,067,854/60,891,611.78
  6. Step 6: Final answer
    x = 66,691,816.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.