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Finding the Fourth Proportional to 101,714.22, 140,315.76 and 88,266.60

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Solution

The fourth proportional to 101,714.22, 140,315.76 and 88,266.60 is: 121,764.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,714.22 : 140,315.76 = 88,266.60 : x
  2. Step 2: Convert to fraction form
    101,714.22/140,315.76 = 88,266.60/x
  3. Step 3: Cross multiply
    101,714.22x = 140,315.76 × 88,266.60
  4. Step 4: Simplify right side
    101,714.22x = 12,385,195,061.62
  5. Step 5: Solve for x
    x = 12,385,195,061.62/101,714.22
  6. Step 6: Final answer
    x = 121,764.64

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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.