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Finding the Fourth Proportional to 239,074.54, 329,925.30 and 131,654.56

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Solution

The fourth proportional to 239,074.54, 329,925.30 and 131,654.56 is: 181,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,074.54 : 329,925.30 = 131,654.56 : x
  2. Step 2: Convert to fraction form
    239,074.54/329,925.30 = 131,654.56/x
  3. Step 3: Cross multiply
    239,074.54x = 329,925.30 × 131,654.56
  4. Step 4: Simplify right side
    239,074.54x = 43,436,170,204.37
  5. Step 5: Solve for x
    x = 43,436,170,204.37/239,074.54
  6. Step 6: Final answer
    x = 181,684.63

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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.