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Finding the Fourth Proportional to 80,258.16, 110,726.52 and 51,979.44

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Solution

The fourth proportional to 80,258.16, 110,726.52 and 51,979.44 is: 71,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,258.16 : 110,726.52 = 51,979.44 : x
  2. Step 2: Convert to fraction form
    80,258.16/110,726.52 = 51,979.44/x
  3. Step 3: Cross multiply
    80,258.16x = 110,726.52 × 51,979.44
  4. Step 4: Simplify right side
    80,258.16x = 5,755,502,502.75
  5. Step 5: Solve for x
    x = 5,755,502,502.75/80,258.16
  6. Step 6: Final answer
    x = 71,712.37

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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.