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Finding the Fourth Proportional to 67,648.80, 101,327.40 and 44,029.20

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Solution

The fourth proportional to 67,648.80, 101,327.40 and 44,029.20 is: 65,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,648.80 : 101,327.40 = 44,029.20 : x
  2. Step 2: Convert to fraction form
    67,648.80/101,327.40 = 44,029.20/x
  3. Step 3: Cross multiply
    67,648.80x = 101,327.40 × 44,029.20
  4. Step 4: Simplify right side
    67,648.80x = 4,461,364,360.08
  5. Step 5: Solve for x
    x = 4,461,364,360.08/67,648.80
  6. Step 6: Final answer
    x = 65,948.91

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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.