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Finding the Fourth Proportional to 176,874.60, 265,344.30 and 71,704.20

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Solution

The fourth proportional to 176,874.60, 265,344.30 and 71,704.20 is: 107,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,874.60 : 265,344.30 = 71,704.20 : x
  2. Step 2: Convert to fraction form
    176,874.60/265,344.30 = 71,704.20/x
  3. Step 3: Cross multiply
    176,874.60x = 265,344.30 × 71,704.20
  4. Step 4: Simplify right side
    176,874.60x = 19,026,300,756.06
  5. Step 5: Solve for x
    x = 19,026,300,756.06/176,874.60
  6. Step 6: Final answer
    x = 107,569.43

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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.