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Finding the Fourth Proportional to 250,156.91, 375,305.52 and 100,502.29

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Solution

The fourth proportional to 250,156.91, 375,305.52 and 100,502.29 is: 150,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,156.91 : 375,305.52 = 100,502.29 : x
  2. Step 2: Convert to fraction form
    250,156.91/375,305.52 = 100,502.29/x
  3. Step 3: Cross multiply
    250,156.91x = 375,305.52 × 100,502.29
  4. Step 4: Simplify right side
    250,156.91x = 37,719,064,490.33
  5. Step 5: Solve for x
    x = 37,719,064,490.33/250,156.91
  6. Step 6: Final answer
    x = 150,781.62

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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.