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Finding the Fourth Proportional to 75,095.24, 103,621.20 and 44,874.20

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Solution

The fourth proportional to 75,095.24, 103,621.20 and 44,874.20 is: 61,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,095.24 : 103,621.20 = 44,874.20 : x
  2. Step 2: Convert to fraction form
    75,095.24/103,621.20 = 44,874.20/x
  3. Step 3: Cross multiply
    75,095.24x = 103,621.20 × 44,874.20
  4. Step 4: Simplify right side
    75,095.24x = 4,649,918,453.04
  5. Step 5: Solve for x
    x = 4,649,918,453.04/75,095.24
  6. Step 6: Final answer
    x = 61,920.28

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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.