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Finding the Fourth Proportional to 251,624.87, 347,251.87 and 144,215.63

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Solution

The fourth proportional to 251,624.87, 347,251.87 and 144,215.63 is: 199,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,624.87 : 347,251.87 = 144,215.63 : x
  2. Step 2: Convert to fraction form
    251,624.87/347,251.87 = 144,215.63/x
  3. Step 3: Cross multiply
    251,624.87x = 347,251.87 × 144,215.63
  4. Step 4: Simplify right side
    251,624.87x = 50,079,145,464.47
  5. Step 5: Solve for x
    x = 50,079,145,464.47/251,624.87
  6. Step 6: Final answer
    x = 199,023.04

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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.