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Finding the Fourth Proportional to 170,456.75, 255,722.04 and 65,275.73

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Solution

The fourth proportional to 170,456.75, 255,722.04 and 65,275.73 is: 97,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,456.75 : 255,722.04 = 65,275.73 : x
  2. Step 2: Convert to fraction form
    170,456.75/255,722.04 = 65,275.73/x
  3. Step 3: Cross multiply
    170,456.75x = 255,722.04 × 65,275.73
  4. Step 4: Simplify right side
    170,456.75x = 16,692,441,233.10
  5. Step 5: Solve for x
    x = 16,692,441,233.10/170,456.75
  6. Step 6: Final answer
    x = 97,927.72

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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.