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Finding the Fourth Proportional to 170,060.65, 255,081.85 and 51,722.75

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Solution

The fourth proportional to 170,060.65, 255,081.85 and 51,722.75 is: 77,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,060.65 : 255,081.85 = 51,722.75 : x
  2. Step 2: Convert to fraction form
    170,060.65/255,081.85 = 51,722.75/x
  3. Step 3: Cross multiply
    170,060.65x = 255,081.85 × 51,722.75
  4. Step 4: Simplify right side
    170,060.65x = 13,193,535,265.49
  5. Step 5: Solve for x
    x = 13,193,535,265.49/170,060.65
  6. Step 6: Final answer
    x = 77,581.35

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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.