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Finding the Fourth Proportional to 78,073.56, 107,744.58 and 44,089.20

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Solution

The fourth proportional to 78,073.56, 107,744.58 and 44,089.20 is: 60,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,073.56 : 107,744.58 = 44,089.20 : x
  2. Step 2: Convert to fraction form
    78,073.56/107,744.58 = 44,089.20/x
  3. Step 3: Cross multiply
    78,073.56x = 107,744.58 × 44,089.20
  4. Step 4: Simplify right side
    78,073.56x = 4,750,372,336.54
  5. Step 5: Solve for x
    x = 4,750,372,336.54/78,073.56
  6. Step 6: Final answer
    x = 60,844.83

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1.5x scale

Why These Related Problems?

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