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Finding the Fourth Proportional to 253,662.48, 350,057.16 and 140,487.12

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Solution

The fourth proportional to 253,662.48, 350,057.16 and 140,487.12 is: 193,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,662.48 : 350,057.16 = 140,487.12 : x
  2. Step 2: Convert to fraction form
    253,662.48/350,057.16 = 140,487.12/x
  3. Step 3: Cross multiply
    253,662.48x = 350,057.16 × 140,487.12
  4. Step 4: Simplify right side
    253,662.48x = 49,178,522,243.78
  5. Step 5: Solve for x
    x = 49,178,522,243.78/253,662.48
  6. Step 6: Final answer
    x = 193,873.85

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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.