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Finding the Fourth Proportional to 71,012.45, 106,437.73 and 44,370.74

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Solution

The fourth proportional to 71,012.45, 106,437.73 and 44,370.74 is: 66,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,012.45 : 106,437.73 = 44,370.74 : x
  2. Step 2: Convert to fraction form
    71,012.45/106,437.73 = 44,370.74/x
  3. Step 3: Cross multiply
    71,012.45x = 106,437.73 × 44,370.74
  4. Step 4: Simplify right side
    71,012.45x = 4,722,720,844.02
  5. Step 5: Solve for x
    x = 4,722,720,844.02/71,012.45
  6. Step 6: Final answer
    x = 66,505.53

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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.