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Finding the Fourth Proportional to 251,754.80, 347,393.12 and 148,382.24

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Solution

The fourth proportional to 251,754.80, 347,393.12 and 148,382.24 is: 204,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,754.80 : 347,393.12 = 148,382.24 : x
  2. Step 2: Convert to fraction form
    251,754.80/347,393.12 = 148,382.24/x
  3. Step 3: Cross multiply
    251,754.80x = 347,393.12 × 148,382.24
  4. Step 4: Simplify right side
    251,754.80x = 51,546,969,306.19
  5. Step 5: Solve for x
    x = 51,546,969,306.19/251,754.80
  6. Step 6: Final answer
    x = 204,750.69

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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.