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Finding the Fourth Proportional to 73,959.60, 110,874.60 and 44,389.20

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Solution

The fourth proportional to 73,959.60, 110,874.60 and 44,389.20 is: 66,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,959.60 : 110,874.60 = 44,389.20 : x
  2. Step 2: Convert to fraction form
    73,959.60/110,874.60 = 44,389.20/x
  3. Step 3: Cross multiply
    73,959.60x = 110,874.60 × 44,389.20
  4. Step 4: Simplify right side
    73,959.60x = 4,921,634,794.32
  5. Step 5: Solve for x
    x = 4,921,634,794.32/73,959.60
  6. Step 6: Final answer
    x = 66,544.91

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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.