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Finding the Fourth Proportional to 54,582,041.60, 81,873,062.40 and 50,117,937.20

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Solution

The fourth proportional to 54,582,041.60, 81,873,062.40 and 50,117,937.20 is: 75,176,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582,041.60 : 81,873,062.40 = 50,117,937.20 : x
  2. Step 2: Convert to fraction form
    54,582,041.60/81,873,062.40 = 50,117,937.20/x
  3. Step 3: Cross multiply
    54,582,041.60x = 81,873,062.40 × 50,117,937.20
  4. Step 4: Simplify right side
    54,582,041.60x = 4,103,308,999,734,882
  5. Step 5: Solve for x
    x = 4,103,308,999,734,882/54,582,041.60
  6. Step 6: Final answer
    x = 75,176,905.80

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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.