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Finding the Fourth Proportional to 270,089.20, 372,713.08 and 149,227.88

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Solution

The fourth proportional to 270,089.20, 372,713.08 and 149,227.88 is: 205,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,089.20 : 372,713.08 = 149,227.88 : x
  2. Step 2: Convert to fraction form
    270,089.20/372,713.08 = 149,227.88/x
  3. Step 3: Cross multiply
    270,089.20x = 372,713.08 × 149,227.88
  4. Step 4: Simplify right side
    270,089.20x = 55,619,182,030.53
  5. Step 5: Solve for x
    x = 55,619,182,030.53/270,089.20
  6. Step 6: Final answer
    x = 205,928.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.