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Finding the Fourth Proportional to 73,822.66, 101,873.85 and 40,288.90

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Solution

The fourth proportional to 73,822.66, 101,873.85 and 40,288.90 is: 55,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,822.66 : 101,873.85 = 40,288.90 : x
  2. Step 2: Convert to fraction form
    73,822.66/101,873.85 = 40,288.90/x
  3. Step 3: Cross multiply
    73,822.66x = 101,873.85 × 40,288.90
  4. Step 4: Simplify right side
    73,822.66x = 4,104,385,355.27
  5. Step 5: Solve for x
    x = 4,104,385,355.27/73,822.66
  6. Step 6: Final answer
    x = 55,597.91

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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.