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Finding the Fourth Proportional to 253,868, 350,337.84 and 140,698.04

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Solution

The fourth proportional to 253,868, 350,337.84 and 140,698.04 is: 194,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,868 : 350,337.84 = 140,698.04 : x
  2. Step 2: Convert to fraction form
    253,868/350,337.84 = 140,698.04/x
  3. Step 3: Cross multiply
    253,868x = 350,337.84 × 140,698.04
  4. Step 4: Simplify right side
    253,868x = 49,291,847,425.83
  5. Step 5: Solve for x
    x = 49,291,847,425.83/253,868
  6. Step 6: Final answer
    x = 194,163.30

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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.