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Finding the Fourth Proportional to 240,757.48, 332,156.10 and 155,921.32

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Solution

The fourth proportional to 240,757.48, 332,156.10 and 155,921.32 is: 215,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,757.48 : 332,156.10 = 155,921.32 : x
  2. Step 2: Convert to fraction form
    240,757.48/332,156.10 = 155,921.32/x
  3. Step 3: Cross multiply
    240,757.48x = 332,156.10 × 155,921.32
  4. Step 4: Simplify right side
    240,757.48x = 51,790,217,558.05
  5. Step 5: Solve for x
    x = 51,790,217,558.05/240,757.48
  6. Step 6: Final answer
    x = 215,113.64

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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.