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Finding the Fourth Proportional to 73,769.32, 101,797.86 and 40,228.84

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Solution

The fourth proportional to 73,769.32, 101,797.86 and 40,228.84 is: 55,513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,769.32 : 101,797.86 = 40,228.84 : x
  2. Step 2: Convert to fraction form
    73,769.32/101,797.86 = 40,228.84/x
  3. Step 3: Cross multiply
    73,769.32x = 101,797.86 × 40,228.84
  4. Step 4: Simplify right side
    73,769.32x = 4,095,209,822.28
  5. Step 5: Solve for x
    x = 4,095,209,822.28/73,769.32
  6. Step 6: Final answer
    x = 55,513.73

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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.