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Finding the Fourth Proportional to 73,491,659.80, 101,417,685.70 and 40,451,202.52

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Solution

The fourth proportional to 73,491,659.80, 101,417,685.70 and 40,451,202.52 is: 55,822,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,491,659.80 : 101,417,685.70 = 40,451,202.52 : x
  2. Step 2: Convert to fraction form
    73,491,659.80/101,417,685.70 = 40,451,202.52/x
  3. Step 3: Cross multiply
    73,491,659.80x = 101,417,685.70 × 40,451,202.52
  4. Step 4: Simplify right side
    73,491,659.80x = 4,102,467,343,005,736
  5. Step 5: Solve for x
    x = 4,102,467,343,005,736/73,491,659.80
  6. Step 6: Final answer
    x = 55,822,216.48

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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.