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Finding the Fourth Proportional to 259,171.70, 357,660.52 and 144,447.14

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Solution

The fourth proportional to 259,171.70, 357,660.52 and 144,447.14 is: 199,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,171.70 : 357,660.52 = 144,447.14 : x
  2. Step 2: Convert to fraction form
    259,171.70/357,660.52 = 144,447.14/x
  3. Step 3: Cross multiply
    259,171.70x = 357,660.52 × 144,447.14
  4. Step 4: Simplify right side
    259,171.70x = 51,663,039,737.95
  5. Step 5: Solve for x
    x = 51,663,039,737.95/259,171.70
  6. Step 6: Final answer
    x = 199,339.05

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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.