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Finding the Fourth Proportional to 170,279.96, 255,441.12 and 57,951.54

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Solution

The fourth proportional to 170,279.96, 255,441.12 and 57,951.54 is: 86,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,279.96 : 255,441.12 = 57,951.54 : x
  2. Step 2: Convert to fraction form
    170,279.96/255,441.12 = 57,951.54/x
  3. Step 3: Cross multiply
    170,279.96x = 255,441.12 × 57,951.54
  4. Step 4: Simplify right side
    170,279.96x = 14,803,206,283.32
  5. Step 5: Solve for x
    x = 14,803,206,283.32/170,279.96
  6. Step 6: Final answer
    x = 86,934.52

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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.