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Finding the Fourth Proportional to 238,793.55, 329,524.70 and 131,356.77

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Solution

The fourth proportional to 238,793.55, 329,524.70 and 131,356.77 is: 181,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,793.55 : 329,524.70 = 131,356.77 : x
  2. Step 2: Convert to fraction form
    238,793.55/329,524.70 = 131,356.77/x
  3. Step 3: Cross multiply
    238,793.55x = 329,524.70 × 131,356.77
  4. Step 4: Simplify right side
    238,793.55x = 43,285,298,251.20
  5. Step 5: Solve for x
    x = 43,285,298,251.20/238,793.55
  6. Step 6: Final answer
    x = 181,266.62

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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.