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Finding the Fourth Proportional to 73,840.77, 101,869.93 and 54,767.48

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Solution

The fourth proportional to 73,840.77, 101,869.93 and 54,767.48 is: 75,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,840.77 : 101,869.93 = 54,767.48 : x
  2. Step 2: Convert to fraction form
    73,840.77/101,869.93 = 54,767.48/x
  3. Step 3: Cross multiply
    73,840.77x = 101,869.93 × 54,767.48
  4. Step 4: Simplify right side
    73,840.77x = 5,579,158,758.95
  5. Step 5: Solve for x
    x = 5,579,158,758.95/73,840.77
  6. Step 6: Final answer
    x = 75,556.61

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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.