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Finding the Fourth Proportional to 250,230.98, 345,343.59 and 142,817.24

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Solution

The fourth proportional to 250,230.98, 345,343.59 and 142,817.24 is: 197,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,230.98 : 345,343.59 = 142,817.24 : x
  2. Step 2: Convert to fraction form
    250,230.98/345,343.59 = 142,817.24/x
  3. Step 3: Cross multiply
    250,230.98x = 345,343.59 × 142,817.24
  4. Step 4: Simplify right side
    250,230.98x = 49,321,018,375.49
  5. Step 5: Solve for x
    x = 49,321,018,375.49/250,230.98
  6. Step 6: Final answer
    x = 197,101.97

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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.