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Finding the Fourth Proportional to 66,493.44, 99,711.84 and 22,108.32

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Solution

The fourth proportional to 66,493.44, 99,711.84 and 22,108.32 is: 33,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,493.44 : 99,711.84 = 22,108.32 : x
  2. Step 2: Convert to fraction form
    66,493.44/99,711.84 = 22,108.32/x
  3. Step 3: Cross multiply
    66,493.44x = 99,711.84 × 22,108.32
  4. Step 4: Simplify right side
    66,493.44x = 2,204,461,266.51
  5. Step 5: Solve for x
    x = 2,204,461,266.51/66,493.44
  6. Step 6: Final answer
    x = 33,153.06

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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.