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Finding the Fourth Proportional to 101,575.44, 140,191.20 and 59,158.80

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Solution

The fourth proportional to 101,575.44, 140,191.20 and 59,158.80 is: 81,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,575.44 : 140,191.20 = 59,158.80 : x
  2. Step 2: Convert to fraction form
    101,575.44/140,191.20 = 59,158.80/x
  3. Step 3: Cross multiply
    101,575.44x = 140,191.20 × 59,158.80
  4. Step 4: Simplify right side
    101,575.44x = 8,293,543,162.56
  5. Step 5: Solve for x
    x = 8,293,543,162.56/101,575.44
  6. Step 6: Final answer
    x = 81,649.10

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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.