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Finding the Fourth Proportional to 95,894.89, 132,391.64 and 85,255.07

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Solution

The fourth proportional to 95,894.89, 132,391.64 and 85,255.07 is: 117,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,894.89 : 132,391.64 = 85,255.07 : x
  2. Step 2: Convert to fraction form
    95,894.89/132,391.64 = 85,255.07/x
  3. Step 3: Cross multiply
    95,894.89x = 132,391.64 × 85,255.07
  4. Step 4: Simplify right side
    95,894.89x = 11,287,058,086.79
  5. Step 5: Solve for x
    x = 11,287,058,086.79/95,894.89
  6. Step 6: Final answer
    x = 117,702.40

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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.