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Finding the Fourth Proportional to 73,046,842.32, 100,807,811.12 and 40,451,794.32

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Solution

The fourth proportional to 73,046,842.32, 100,807,811.12 and 40,451,794.32 is: 55,825,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,046,842.32 : 100,807,811.12 = 40,451,794.32 : x
  2. Step 2: Convert to fraction form
    73,046,842.32/100,807,811.12 = 40,451,794.32/x
  3. Step 3: Cross multiply
    73,046,842.32x = 100,807,811.12 × 40,451,794.32
  4. Step 4: Simplify right side
    73,046,842.32x = 4,077,856,841,275,649
  5. Step 5: Solve for x
    x = 4,077,856,841,275,649/73,046,842.32
  6. Step 6: Final answer
    x = 55,825,230.93

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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.