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Finding the Fourth Proportional to 111,974, 167,959.96 and 45,398.30

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Solution

The fourth proportional to 111,974, 167,959.96 and 45,398.30 is: 68,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,974 : 167,959.96 = 45,398.30 : x
  2. Step 2: Convert to fraction form
    111,974/167,959.96 = 45,398.30/x
  3. Step 3: Cross multiply
    111,974x = 167,959.96 × 45,398.30
  4. Step 4: Simplify right side
    111,974x = 7,625,096,652.07
  5. Step 5: Solve for x
    x = 7,625,096,652.07/111,974
  6. Step 6: Final answer
    x = 68,097.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.