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Finding the Fourth Proportional to 101,512.59, 140,055.17 and 59,062.92

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Solution

The fourth proportional to 101,512.59, 140,055.17 and 59,062.92 is: 81,488.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,512.59 : 140,055.17 = 59,062.92 : x
  2. Step 2: Convert to fraction form
    101,512.59/140,055.17 = 59,062.92/x
  3. Step 3: Cross multiply
    101,512.59x = 140,055.17 × 59,062.92
  4. Step 4: Simplify right side
    101,512.59x = 8,272,067,005.98
  5. Step 5: Solve for x
    x = 8,272,067,005.98/101,512.59
  6. Step 6: Final answer
    x = 81,488.09

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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.