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Finding the Fourth Proportional to 235,339.26, 324,768.22 and 127,909.29

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Solution

The fourth proportional to 235,339.26, 324,768.22 and 127,909.29 is: 176,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,339.26 : 324,768.22 = 127,909.29 : x
  2. Step 2: Convert to fraction form
    235,339.26/324,768.22 = 127,909.29/x
  3. Step 3: Cross multiply
    235,339.26x = 324,768.22 × 127,909.29
  4. Step 4: Simplify right side
    235,339.26x = 41,540,873,332.87
  5. Step 5: Solve for x
    x = 41,540,873,332.87/235,339.26
  6. Step 6: Final answer
    x = 176,514.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.