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Finding the Fourth Proportional to 235,279.76, 324,687.85 and 127,850.37

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Solution

The fourth proportional to 235,279.76, 324,687.85 and 127,850.37 is: 176,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,279.76 : 324,687.85 = 127,850.37 : x
  2. Step 2: Convert to fraction form
    235,279.76/324,687.85 = 127,850.37/x
  3. Step 3: Cross multiply
    235,279.76x = 324,687.85 × 127,850.37
  4. Step 4: Simplify right side
    235,279.76x = 41,511,459,494.31
  5. Step 5: Solve for x
    x = 41,511,459,494.31/235,279.76
  6. Step 6: Final answer
    x = 176,434.47

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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.