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Finding the Fourth Proportional to 80,710.24, 111,380.34 and 44,900.50

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Solution

The fourth proportional to 80,710.24, 111,380.34 and 44,900.50 is: 61,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,710.24 : 111,380.34 = 44,900.50 : x
  2. Step 2: Convert to fraction form
    80,710.24/111,380.34 = 44,900.50/x
  3. Step 3: Cross multiply
    80,710.24x = 111,380.34 × 44,900.50
  4. Step 4: Simplify right side
    80,710.24x = 5,001,032,956.17
  5. Step 5: Solve for x
    x = 5,001,032,956.17/80,710.24
  6. Step 6: Final answer
    x = 61,962.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.