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Finding the Fourth Proportional to 250,362.99, 345,500.46 and 135,644.48

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Solution

The fourth proportional to 250,362.99, 345,500.46 and 135,644.48 is: 187,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,362.99 : 345,500.46 = 135,644.48 : x
  2. Step 2: Convert to fraction form
    250,362.99/345,500.46 = 135,644.48/x
  3. Step 3: Cross multiply
    250,362.99x = 345,500.46 × 135,644.48
  4. Step 4: Simplify right side
    250,362.99x = 46,865,230,591.55
  5. Step 5: Solve for x
    x = 46,865,230,591.55/250,362.99
  6. Step 6: Final answer
    x = 187,189.13

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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.