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Finding the Fourth Proportional to 170,062.74, 254,936.70 and 75,242.66

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Solution

The fourth proportional to 170,062.74, 254,936.70 and 75,242.66 is: 112,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,062.74 : 254,936.70 = 75,242.66 : x
  2. Step 2: Convert to fraction form
    170,062.74/254,936.70 = 75,242.66/x
  3. Step 3: Cross multiply
    170,062.74x = 254,936.70 × 75,242.66
  4. Step 4: Simplify right side
    170,062.74x = 19,182,114,164.94
  5. Step 5: Solve for x
    x = 19,182,114,164.94/170,062.74
  6. Step 6: Final answer
    x = 112,794.34

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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.