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Finding the Fourth Proportional to 73,374.85, 110,111.60 and 25,989.78

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Solution

The fourth proportional to 73,374.85, 110,111.60 and 25,989.78 is: 39,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,374.85 : 110,111.60 = 25,989.78 : x
  2. Step 2: Convert to fraction form
    73,374.85/110,111.60 = 25,989.78/x
  3. Step 3: Cross multiply
    73,374.85x = 110,111.60 × 25,989.78
  4. Step 4: Simplify right side
    73,374.85x = 2,861,776,324.42
  5. Step 5: Solve for x
    x = 2,861,776,324.42/73,374.85
  6. Step 6: Final answer
    x = 39,002.14

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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.