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Finding the Fourth Proportional to 60,765.22, 83,854.02 and 33,168.82

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Solution

The fourth proportional to 60,765.22, 83,854.02 and 33,168.82 is: 45,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,765.22 : 83,854.02 = 33,168.82 : x
  2. Step 2: Convert to fraction form
    60,765.22/83,854.02 = 33,168.82/x
  3. Step 3: Cross multiply
    60,765.22x = 83,854.02 × 33,168.82
  4. Step 4: Simplify right side
    60,765.22x = 2,781,338,895.66
  5. Step 5: Solve for x
    x = 2,781,338,895.66/60,765.22
  6. Step 6: Final answer
    x = 45,771.89

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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.