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Finding the Fourth Proportional to 73,507,812.80, 110,261,719.20 and 62,028,687.20

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Solution

The fourth proportional to 73,507,812.80, 110,261,719.20 and 62,028,687.20 is: 93,043,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,507,812.80 : 110,261,719.20 = 62,028,687.20 : x
  2. Step 2: Convert to fraction form
    73,507,812.80/110,261,719.20 = 62,028,687.20/x
  3. Step 3: Cross multiply
    73,507,812.80x = 110,261,719.20 × 62,028,687.20
  4. Step 4: Simplify right side
    73,507,812.80x = 6,839,389,690,391,035
  5. Step 5: Solve for x
    x = 6,839,389,690,391,035/73,507,812.80
  6. Step 6: Final answer
    x = 93,043,030.80

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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.