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Finding the Fourth Proportional to 140,175.36, 193,446.36 and 79,754.76

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Solution

The fourth proportional to 140,175.36, 193,446.36 and 79,754.76 is: 110,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,175.36 : 193,446.36 = 79,754.76 : x
  2. Step 2: Convert to fraction form
    140,175.36/193,446.36 = 79,754.76/x
  3. Step 3: Cross multiply
    140,175.36x = 193,446.36 × 79,754.76
  4. Step 4: Simplify right side
    140,175.36x = 15,428,268,014.67
  5. Step 5: Solve for x
    x = 15,428,268,014.67/140,175.36
  6. Step 6: Final answer
    x = 110,064.05

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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.