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Finding the Fourth Proportional to 270,117.64, 372,766.35 and 149,261.73

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Solution

The fourth proportional to 270,117.64, 372,766.35 and 149,261.73 is: 205,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,117.64 : 372,766.35 = 149,261.73 : x
  2. Step 2: Convert to fraction form
    270,117.64/372,766.35 = 149,261.73/x
  3. Step 3: Cross multiply
    270,117.64x = 372,766.35 × 149,261.73
  4. Step 4: Simplify right side
    270,117.64x = 55,639,750,286.79
  5. Step 5: Solve for x
    x = 55,639,750,286.79/270,117.64
  6. Step 6: Final answer
    x = 205,983.40

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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.