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Finding the Fourth Proportional to 83,535.71, 125,308.62 and 33,615.61

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Solution

The fourth proportional to 83,535.71, 125,308.62 and 33,615.61 is: 50,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,535.71 : 125,308.62 = 33,615.61 : x
  2. Step 2: Convert to fraction form
    83,535.71/125,308.62 = 33,615.61/x
  3. Step 3: Cross multiply
    83,535.71x = 125,308.62 × 33,615.61
  4. Step 4: Simplify right side
    83,535.71x = 4,212,325,386.29
  5. Step 5: Solve for x
    x = 4,212,325,386.29/83,535.71
  6. Step 6: Final answer
    x = 50,425.45

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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.