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Finding the Fourth Proportional to 259,194.20, 357,691.59 and 144,469.67

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Solution

The fourth proportional to 259,194.20, 357,691.59 and 144,469.67 is: 199,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,194.20 : 357,691.59 = 144,469.67 : x
  2. Step 2: Convert to fraction form
    259,194.20/357,691.59 = 144,469.67/x
  3. Step 3: Cross multiply
    259,194.20x = 357,691.59 × 144,469.67
  4. Step 4: Simplify right side
    259,194.20x = 51,675,584,180.62
  5. Step 5: Solve for x
    x = 51,675,584,180.62/259,194.20
  6. Step 6: Final answer
    x = 199,370.14

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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.