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Finding the Fourth Proportional to 73,275,781.44, 101,115,978.84 and 40,235,799

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Solution

The fourth proportional to 73,275,781.44, 101,115,978.84 and 40,235,799 is: 55,522,877.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,275,781.44 : 101,115,978.84 = 40,235,799 : x
  2. Step 2: Convert to fraction form
    73,275,781.44/101,115,978.84 = 40,235,799/x
  3. Step 3: Cross multiply
    73,275,781.44x = 101,115,978.84 × 40,235,799
  4. Step 4: Simplify right side
    73,275,781.44x = 4,068,482,200,294,493.50
  5. Step 5: Solve for x
    x = 4,068,482,200,294,493.50/73,275,781.44
  6. Step 6: Final answer
    x = 55,522,877.00

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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.