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Finding the Fourth Proportional to 61,443.95, 84,765.24 and 50,160.06

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Solution

The fourth proportional to 61,443.95, 84,765.24 and 50,160.06 is: 69,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,443.95 : 84,765.24 = 50,160.06 : x
  2. Step 2: Convert to fraction form
    61,443.95/84,765.24 = 50,160.06/x
  3. Step 3: Cross multiply
    61,443.95x = 84,765.24 × 50,160.06
  4. Step 4: Simplify right side
    61,443.95x = 4,251,829,524.31
  5. Step 5: Solve for x
    x = 4,251,829,524.31/61,443.95
  6. Step 6: Final answer
    x = 69,198.51

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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.