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Finding the Fourth Proportional to 55,842,901.20, 83,764,351.80 and 41,493,994.20

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Solution

The fourth proportional to 55,842,901.20, 83,764,351.80 and 41,493,994.20 is: 62,240,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,842,901.20 : 83,764,351.80 = 41,493,994.20 : x
  2. Step 2: Convert to fraction form
    55,842,901.20/83,764,351.80 = 41,493,994.20/x
  3. Step 3: Cross multiply
    55,842,901.20x = 83,764,351.80 × 41,493,994.20
  4. Step 4: Simplify right side
    55,842,901.20x = 3,475,717,527,755,959.50
  5. Step 5: Solve for x
    x = 3,475,717,527,755,959.50/55,842,901.20
  6. Step 6: Final answer
    x = 62,240,991.30

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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.