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Finding the Fourth Proportional to 235,553.60, 325,034.40 and 159,238.70

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Solution

The fourth proportional to 235,553.60, 325,034.40 and 159,238.70 is: 219,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,553.60 : 325,034.40 = 159,238.70 : x
  2. Step 2: Convert to fraction form
    235,553.60/325,034.40 = 159,238.70/x
  3. Step 3: Cross multiply
    235,553.60x = 325,034.40 × 159,238.70
  4. Step 4: Simplify right side
    235,553.60x = 51,758,055,311.28
  5. Step 5: Solve for x
    x = 51,758,055,311.28/235,553.60
  6. Step 6: Final answer
    x = 219,729.42

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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.