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Finding the Fourth Proportional to 61,735.62, 85,194.78 and 34,886.82

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Solution

The fourth proportional to 61,735.62, 85,194.78 and 34,886.82 is: 48,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,735.62 : 85,194.78 = 34,886.82 : x
  2. Step 2: Convert to fraction form
    61,735.62/85,194.78 = 34,886.82/x
  3. Step 3: Cross multiply
    61,735.62x = 85,194.78 × 34,886.82
  4. Step 4: Simplify right side
    61,735.62x = 2,972,174,954.80
  5. Step 5: Solve for x
    x = 2,972,174,954.80/61,735.62
  6. Step 6: Final answer
    x = 48,143.60

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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.