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Finding the Fourth Proportional to 73,795.73, 110,726.12 and 38,726.93

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Solution

The fourth proportional to 73,795.73, 110,726.12 and 38,726.93 is: 58,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,795.73 : 110,726.12 = 38,726.93 : x
  2. Step 2: Convert to fraction form
    73,795.73/110,726.12 = 38,726.93/x
  3. Step 3: Cross multiply
    73,795.73x = 110,726.12 × 38,726.93
  4. Step 4: Simplify right side
    73,795.73x = 4,288,082,504.78
  5. Step 5: Solve for x
    x = 4,288,082,504.78/73,795.73
  6. Step 6: Final answer
    x = 58,107.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.