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Finding the Fourth Proportional to 183,397.60, 275,118.96 and 71,079.68

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Solution

The fourth proportional to 183,397.60, 275,118.96 and 71,079.68 is: 106,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,397.60 : 275,118.96 = 71,079.68 : x
  2. Step 2: Convert to fraction form
    183,397.60/275,118.96 = 71,079.68/x
  3. Step 3: Cross multiply
    183,397.60x = 275,118.96 × 71,079.68
  4. Step 4: Simplify right side
    183,397.60x = 19,555,367,638.73
  5. Step 5: Solve for x
    x = 19,555,367,638.73/183,397.60
  6. Step 6: Final answer
    x = 106,628.26

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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.