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Finding the Fourth Proportional to 235,721.84, 325,330.41 and 132,367.64

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Solution

The fourth proportional to 235,721.84, 325,330.41 and 132,367.64 is: 182,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,721.84 : 325,330.41 = 132,367.64 : x
  2. Step 2: Convert to fraction form
    235,721.84/325,330.41 = 132,367.64/x
  3. Step 3: Cross multiply
    235,721.84x = 325,330.41 × 132,367.64
  4. Step 4: Simplify right side
    235,721.84x = 43,063,218,591.93
  5. Step 5: Solve for x
    x = 43,063,218,591.93/235,721.84
  6. Step 6: Final answer
    x = 182,686.59

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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.