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Finding the Fourth Proportional to 194,326.80, 268,171.76 and 113,738.58

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Solution

The fourth proportional to 194,326.80, 268,171.76 and 113,738.58 is: 156,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,326.80 : 268,171.76 = 113,738.58 : x
  2. Step 2: Convert to fraction form
    194,326.80/268,171.76 = 113,738.58/x
  3. Step 3: Cross multiply
    194,326.80x = 268,171.76 × 113,738.58
  4. Step 4: Simplify right side
    194,326.80x = 30,501,475,462.85
  5. Step 5: Solve for x
    x = 30,501,475,462.85/194,326.80
  6. Step 6: Final answer
    x = 156,959.70

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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.