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Finding the Fourth Proportional to 69,001,710.80, 103,414,648.80 and 36,669,102.80

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Solution

The fourth proportional to 69,001,710.80, 103,414,648.80 and 36,669,102.80 is: 54,956,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,001,710.80 : 103,414,648.80 = 36,669,102.80 : x
  2. Step 2: Convert to fraction form
    69,001,710.80/103,414,648.80 = 36,669,102.80/x
  3. Step 3: Cross multiply
    69,001,710.80x = 103,414,648.80 × 36,669,102.80
  4. Step 4: Simplify right side
    69,001,710.80x = 3,792,122,387,873,096
  5. Step 5: Solve for x
    x = 3,792,122,387,873,096/69,001,710.80
  6. Step 6: Final answer
    x = 54,956,932.86

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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.