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Finding the Fourth Proportional to 73,515.90, 110,331.45 and 34,077.90

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Solution

The fourth proportional to 73,515.90, 110,331.45 and 34,077.90 is: 51,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,515.90 : 110,331.45 = 34,077.90 : x
  2. Step 2: Convert to fraction form
    73,515.90/110,331.45 = 34,077.90/x
  3. Step 3: Cross multiply
    73,515.90x = 110,331.45 × 34,077.90
  4. Step 4: Simplify right side
    73,515.90x = 3,759,864,119.96
  5. Step 5: Solve for x
    x = 3,759,864,119.96/73,515.90
  6. Step 6: Final answer
    x = 51,143.55

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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.