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Finding the Fourth Proportional to 78,471, 108,266.04 and 44,474.04

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Solution

The fourth proportional to 78,471, 108,266.04 and 44,474.04 is: 61,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,471 : 108,266.04 = 44,474.04 : x
  2. Step 2: Convert to fraction form
    78,471/108,266.04 = 44,474.04/x
  3. Step 3: Cross multiply
    78,471x = 108,266.04 × 44,474.04
  4. Step 4: Simplify right side
    78,471x = 4,815,028,193.60
  5. Step 5: Solve for x
    x = 4,815,028,193.60/78,471
  6. Step 6: Final answer
    x = 61,360.61

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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.