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Finding the Fourth Proportional to 71,202.98, 98,302.75 and 44,381.82

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Solution

The fourth proportional to 71,202.98, 98,302.75 and 44,381.82 is: 61,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202.98 : 98,302.75 = 44,381.82 : x
  2. Step 2: Convert to fraction form
    71,202.98/98,302.75 = 44,381.82/x
  3. Step 3: Cross multiply
    71,202.98x = 98,302.75 × 44,381.82
  4. Step 4: Simplify right side
    71,202.98x = 4,362,854,476.42
  5. Step 5: Solve for x
    x = 4,362,854,476.42/71,202.98
  6. Step 6: Final answer
    x = 61,273.48

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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.