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Finding the Fourth Proportional to 238,488.56, 329,107.58 and 131,058.56

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Solution

The fourth proportional to 238,488.56, 329,107.58 and 131,058.56 is: 180,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,488.56 : 329,107.58 = 131,058.56 : x
  2. Step 2: Convert to fraction form
    238,488.56/329,107.58 = 131,058.56/x
  3. Step 3: Cross multiply
    238,488.56x = 329,107.58 × 131,058.56
  4. Step 4: Simplify right side
    238,488.56x = 43,132,365,519.88
  5. Step 5: Solve for x
    x = 43,132,365,519.88/238,488.56
  6. Step 6: Final answer
    x = 180,857.17

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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.