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Finding the Fourth Proportional to 97,251.82, 134,202.34 and 54,235.73

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Solution

The fourth proportional to 97,251.82, 134,202.34 and 54,235.73 is: 74,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,251.82 : 134,202.34 = 54,235.73 : x
  2. Step 2: Convert to fraction form
    97,251.82/134,202.34 = 54,235.73/x
  3. Step 3: Cross multiply
    97,251.82x = 134,202.34 × 54,235.73
  4. Step 4: Simplify right side
    97,251.82x = 7,278,561,975.83
  5. Step 5: Solve for x
    x = 7,278,561,975.83/97,251.82
  6. Step 6: Final answer
    x = 74,842.42

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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.