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Finding the Fourth Proportional to 170,279.57, 255,418.65 and 51,950.52

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Solution

The fourth proportional to 170,279.57, 255,418.65 and 51,950.52 is: 77,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,279.57 : 255,418.65 = 51,950.52 : x
  2. Step 2: Convert to fraction form
    170,279.57/255,418.65 = 51,950.52/x
  3. Step 3: Cross multiply
    170,279.57x = 255,418.65 × 51,950.52
  4. Step 4: Simplify right side
    170,279.57x = 13,269,131,685.20
  5. Step 5: Solve for x
    x = 13,269,131,685.20/170,279.57
  6. Step 6: Final answer
    x = 77,925.56

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1.5x scale

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.