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Finding the Fourth Proportional to 61,805.97, 85,248.72 and 59,748.44

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Solution

The fourth proportional to 61,805.97, 85,248.72 and 59,748.44 is: 82,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,805.97 : 85,248.72 = 59,748.44 : x
  2. Step 2: Convert to fraction form
    61,805.97/85,248.72 = 59,748.44/x
  3. Step 3: Cross multiply
    61,805.97x = 85,248.72 × 59,748.44
  4. Step 4: Simplify right side
    61,805.97x = 5,093,477,605.75
  5. Step 5: Solve for x
    x = 5,093,477,605.75/61,805.97
  6. Step 6: Final answer
    x = 82,410.77

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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.