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Finding the Fourth Proportional to 250,235.98, 345,350.46 and 142,822.24

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Solution

The fourth proportional to 250,235.98, 345,350.46 and 142,822.24 is: 197,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,235.98 : 345,350.46 = 142,822.24 : x
  2. Step 2: Convert to fraction form
    250,235.98/345,350.46 = 142,822.24/x
  3. Step 3: Cross multiply
    250,235.98x = 345,350.46 × 142,822.24
  4. Step 4: Simplify right side
    250,235.98x = 49,323,726,282.23
  5. Step 5: Solve for x
    x = 49,323,726,282.23/250,235.98
  6. Step 6: Final answer
    x = 197,108.85

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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.