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Finding the Fourth Proportional to 73,956.60, 110,870.10 and 44,386.20

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Solution

The fourth proportional to 73,956.60, 110,870.10 and 44,386.20 is: 66,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,956.60 : 110,870.10 = 44,386.20 : x
  2. Step 2: Convert to fraction form
    73,956.60/110,870.10 = 44,386.20/x
  3. Step 3: Cross multiply
    73,956.60x = 110,870.10 × 44,386.20
  4. Step 4: Simplify right side
    73,956.60x = 4,921,102,432.62
  5. Step 5: Solve for x
    x = 4,921,102,432.62/73,956.60
  6. Step 6: Final answer
    x = 66,540.41

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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.