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Finding the Fourth Proportional to 240,391.72, 360,489.16 and 107,180.88

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Solution

The fourth proportional to 240,391.72, 360,489.16 and 107,180.88 is: 160,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,391.72 : 360,489.16 = 107,180.88 : x
  2. Step 2: Convert to fraction form
    240,391.72/360,489.16 = 107,180.88/x
  3. Step 3: Cross multiply
    240,391.72x = 360,489.16 × 107,180.88
  4. Step 4: Simplify right side
    240,391.72x = 38,637,545,399.26
  5. Step 5: Solve for x
    x = 38,637,545,399.26/240,391.72
  6. Step 6: Final answer
    x = 160,727.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.