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Finding the Fourth Proportional to 239,490.82, 330,498.60 and 132,058.90

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Solution

The fourth proportional to 239,490.82, 330,498.60 and 132,058.90 is: 182,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,490.82 : 330,498.60 = 132,058.90 : x
  2. Step 2: Convert to fraction form
    239,490.82/330,498.60 = 132,058.90/x
  3. Step 3: Cross multiply
    239,490.82x = 330,498.60 × 132,058.90
  4. Step 4: Simplify right side
    239,490.82x = 43,645,281,567.54
  5. Step 5: Solve for x
    x = 43,645,281,567.54/239,490.82
  6. Step 6: Final answer
    x = 182,241.98

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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.