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Finding the Fourth Proportional to 235,761.52, 325,378.56 and 132,412.66

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Solution

The fourth proportional to 235,761.52, 325,378.56 and 132,412.66 is: 182,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,761.52 : 325,378.56 = 132,412.66 : x
  2. Step 2: Convert to fraction form
    235,761.52/325,378.56 = 132,412.66/x
  3. Step 3: Cross multiply
    235,761.52x = 325,378.56 × 132,412.66
  4. Step 4: Simplify right side
    235,761.52x = 43,084,240,636.57
  5. Step 5: Solve for x
    x = 43,084,240,636.57/235,761.52
  6. Step 6: Final answer
    x = 182,745.01

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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.