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Finding the Fourth Proportional to 265,736.41, 398,394.11 and 132,548.11

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Solution

The fourth proportional to 265,736.41, 398,394.11 and 132,548.11 is: 198,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,736.41 : 398,394.11 = 132,548.11 : x
  2. Step 2: Convert to fraction form
    265,736.41/398,394.11 = 132,548.11/x
  3. Step 3: Cross multiply
    265,736.41x = 398,394.11 × 132,548.11
  4. Step 4: Simplify right side
    265,736.41x = 52,806,385,651.02
  5. Step 5: Solve for x
    x = 52,806,385,651.02/265,736.41
  6. Step 6: Final answer
    x = 198,717.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.