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Finding the Fourth Proportional to 111,367.12, 153,687.24 and 60,380.24

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Solution

The fourth proportional to 111,367.12, 153,687.24 and 60,380.24 is: 83,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,367.12 : 153,687.24 = 60,380.24 : x
  2. Step 2: Convert to fraction form
    111,367.12/153,687.24 = 60,380.24/x
  3. Step 3: Cross multiply
    111,367.12x = 153,687.24 × 60,380.24
  4. Step 4: Simplify right side
    111,367.12x = 9,279,672,436.14
  5. Step 5: Solve for x
    x = 9,279,672,436.14/111,367.12
  6. Step 6: Final answer
    x = 83,325.06

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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.