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Finding the Fourth Proportional to 250,157.30, 375,306.08 and 100,502.66

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Solution

The fourth proportional to 250,157.30, 375,306.08 and 100,502.66 is: 150,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,157.30 : 375,306.08 = 100,502.66 : x
  2. Step 2: Convert to fraction form
    250,157.30/375,306.08 = 100,502.66/x
  3. Step 3: Cross multiply
    250,157.30x = 375,306.08 × 100,502.66
  4. Step 4: Simplify right side
    250,157.30x = 37,719,259,789.92
  5. Step 5: Solve for x
    x = 37,719,259,789.92/250,157.30
  6. Step 6: Final answer
    x = 150,782.17

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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.