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Finding the Fourth Proportional to 101,447.77, 140,042.76 and 60,626.30

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Solution

The fourth proportional to 101,447.77, 140,042.76 and 60,626.30 is: 83,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,447.77 : 140,042.76 = 60,626.30 : x
  2. Step 2: Convert to fraction form
    101,447.77/140,042.76 = 60,626.30/x
  3. Step 3: Cross multiply
    101,447.77x = 140,042.76 × 60,626.30
  4. Step 4: Simplify right side
    101,447.77x = 8,490,274,102.66
  5. Step 5: Solve for x
    x = 8,490,274,102.66/101,447.77
  6. Step 6: Final answer
    x = 83,691.09

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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.