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Finding the Fourth Proportional to 258,893.46, 357,250.23 and 144,163.44

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Solution

The fourth proportional to 258,893.46, 357,250.23 and 144,163.44 is: 198,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,893.46 : 357,250.23 = 144,163.44 : x
  2. Step 2: Convert to fraction form
    258,893.46/357,250.23 = 144,163.44/x
  3. Step 3: Cross multiply
    258,893.46x = 357,250.23 × 144,163.44
  4. Step 4: Simplify right side
    258,893.46x = 51,502,422,097.59
  5. Step 5: Solve for x
    x = 51,502,422,097.59/258,893.46
  6. Step 6: Final answer
    x = 198,932.88

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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.