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Finding the Fourth Proportional to 170,454.25, 255,718.28 and 65,273.22

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Solution

The fourth proportional to 170,454.25, 255,718.28 and 65,273.22 is: 97,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,454.25 : 255,718.28 = 65,273.22 : x
  2. Step 2: Convert to fraction form
    170,454.25/255,718.28 = 65,273.22/x
  3. Step 3: Cross multiply
    170,454.25x = 255,718.28 × 65,273.22
  4. Step 4: Simplify right side
    170,454.25x = 16,691,555,548.46
  5. Step 5: Solve for x
    x = 16,691,555,548.46/170,454.25
  6. Step 6: Final answer
    x = 97,923.96

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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.