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Finding the Fourth Proportional to 101,498.66, 140,067.11 and 56,176.73

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Solution

The fourth proportional to 101,498.66, 140,067.11 and 56,176.73 is: 77,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,498.66 : 140,067.11 = 56,176.73 : x
  2. Step 2: Convert to fraction form
    101,498.66/140,067.11 = 56,176.73/x
  3. Step 3: Cross multiply
    101,498.66x = 140,067.11 × 56,176.73
  4. Step 4: Simplify right side
    101,498.66x = 7,868,512,220.35
  5. Step 5: Solve for x
    x = 7,868,512,220.35/101,498.66
  6. Step 6: Final answer
    x = 77,523.31

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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.