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Finding the Fourth Proportional to 101,773.88, 140,444.62 and 61,480.61

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Solution

The fourth proportional to 101,773.88, 140,444.62 and 61,480.61 is: 84,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,773.88 : 140,444.62 = 61,480.61 : x
  2. Step 2: Convert to fraction form
    101,773.88/140,444.62 = 61,480.61/x
  3. Step 3: Cross multiply
    101,773.88x = 140,444.62 × 61,480.61
  4. Step 4: Simplify right side
    101,773.88x = 8,634,620,908.82
  5. Step 5: Solve for x
    x = 8,634,620,908.82/101,773.88
  6. Step 6: Final answer
    x = 84,841.23

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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.