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Finding the Fourth Proportional to 73,811.64, 101,859.98 and 40,277.64

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Solution

The fourth proportional to 73,811.64, 101,859.98 and 40,277.64 is: 55,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,811.64 : 101,859.98 = 40,277.64 : x
  2. Step 2: Convert to fraction form
    73,811.64/101,859.98 = 40,277.64/x
  3. Step 3: Cross multiply
    73,811.64x = 101,859.98 × 40,277.64
  4. Step 4: Simplify right side
    73,811.64x = 4,102,679,604.85
  5. Step 5: Solve for x
    x = 4,102,679,604.85/73,811.64
  6. Step 6: Final answer
    x = 55,583.10

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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.