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Finding the Fourth Proportional to 86,060.22, 118,729.92 and 63,452.88

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Solution

The fourth proportional to 86,060.22, 118,729.92 and 63,452.88 is: 87,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,060.22 : 118,729.92 = 63,452.88 : x
  2. Step 2: Convert to fraction form
    86,060.22/118,729.92 = 63,452.88/x
  3. Step 3: Cross multiply
    86,060.22x = 118,729.92 × 63,452.88
  4. Step 4: Simplify right side
    86,060.22x = 7,533,755,366.17
  5. Step 5: Solve for x
    x = 7,533,755,366.17/86,060.22
  6. Step 6: Final answer
    x = 87,540.51

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1.5x scale

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.