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Finding the Fourth Proportional to 66,473.77, 99,727.58 and 22,100.77

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Solution

The fourth proportional to 66,473.77, 99,727.58 and 22,100.77 is: 33,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473.77 : 99,727.58 = 22,100.77 : x
  2. Step 2: Convert to fraction form
    66,473.77/99,727.58 = 22,100.77/x
  3. Step 3: Cross multiply
    66,473.77x = 99,727.58 × 22,100.77
  4. Step 4: Simplify right side
    66,473.77x = 2,204,056,308.24
  5. Step 5: Solve for x
    x = 2,204,056,308.24/66,473.77
  6. Step 6: Final answer
    x = 33,156.78

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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.