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Finding the Fourth Proportional to 71,590.30, 98,844.03 and 44,744.87

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Solution

The fourth proportional to 71,590.30, 98,844.03 and 44,744.87 is: 61,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,590.30 : 98,844.03 = 44,744.87 : x
  2. Step 2: Convert to fraction form
    71,590.30/98,844.03 = 44,744.87/x
  3. Step 3: Cross multiply
    71,590.30x = 98,844.03 × 44,744.87
  4. Step 4: Simplify right side
    71,590.30x = 4,422,763,272.63
  5. Step 5: Solve for x
    x = 4,422,763,272.63/71,590.30
  6. Step 6: Final answer
    x = 61,778.81

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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.