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Finding the Fourth Proportional to 238,589.60, 329,254.72 and 131,166.56

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Solution

The fourth proportional to 238,589.60, 329,254.72 and 131,166.56 is: 181,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,589.60 : 329,254.72 = 131,166.56 : x
  2. Step 2: Convert to fraction form
    238,589.60/329,254.72 = 131,166.56/x
  3. Step 3: Cross multiply
    238,589.60x = 329,254.72 × 131,166.56
  4. Step 4: Simplify right side
    238,589.60x = 43,187,208,986.16
  5. Step 5: Solve for x
    x = 43,187,208,986.16/238,589.60
  6. Step 6: Final answer
    x = 181,010.44

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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.