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Finding the Fourth Proportional to 170,151.41, 254,781.20 and 119,959.76

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Solution

The fourth proportional to 170,151.41, 254,781.20 and 119,959.76 is: 179,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,151.41 : 254,781.20 = 119,959.76 : x
  2. Step 2: Convert to fraction form
    170,151.41/254,781.20 = 119,959.76/x
  3. Step 3: Cross multiply
    170,151.41x = 254,781.20 × 119,959.76
  4. Step 4: Simplify right side
    170,151.41x = 30,563,490,630.51
  5. Step 5: Solve for x
    x = 30,563,490,630.51/170,151.41
  6. Step 6: Final answer
    x = 179,625.26

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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.