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Finding the Fourth Proportional to 171,026.40, 256,885.20 and 165,151.20

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Solution

The fourth proportional to 171,026.40, 256,885.20 and 165,151.20 is: 248,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,026.40 : 256,885.20 = 165,151.20 : x
  2. Step 2: Convert to fraction form
    171,026.40/256,885.20 = 165,151.20/x
  3. Step 3: Cross multiply
    171,026.40x = 256,885.20 × 165,151.20
  4. Step 4: Simplify right side
    171,026.40x = 42,424,899,042.24
  5. Step 5: Solve for x
    x = 42,424,899,042.24/171,026.40
  6. Step 6: Final answer
    x = 248,060.53

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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.