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Finding the Fourth Proportional to 175,096.60, 262,644.90 and 172,472.20

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Solution

The fourth proportional to 175,096.60, 262,644.90 and 172,472.20 is: 258,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,096.60 : 262,644.90 = 172,472.20 : x
  2. Step 2: Convert to fraction form
    175,096.60/262,644.90 = 172,472.20/x
  3. Step 3: Cross multiply
    175,096.60x = 262,644.90 × 172,472.20
  4. Step 4: Simplify right side
    175,096.60x = 45,298,943,721.78
  5. Step 5: Solve for x
    x = 45,298,943,721.78/175,096.60
  6. Step 6: Final answer
    x = 258,708.30

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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.