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Finding the Fourth Proportional to 71,305.70, 98,373.06 and 41,074.82

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Solution

The fourth proportional to 71,305.70, 98,373.06 and 41,074.82 is: 56,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,305.70 : 98,373.06 = 41,074.82 : x
  2. Step 2: Convert to fraction form
    71,305.70/98,373.06 = 41,074.82/x
  3. Step 3: Cross multiply
    71,305.70x = 98,373.06 × 41,074.82
  4. Step 4: Simplify right side
    71,305.70x = 4,040,655,732.35
  5. Step 5: Solve for x
    x = 4,040,655,732.35/71,305.70
  6. Step 6: Final answer
    x = 56,666.66

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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.