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Finding the Fourth Proportional to 66,491.26, 99,737.73 and 22,118.02

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Solution

The fourth proportional to 66,491.26, 99,737.73 and 22,118.02 is: 33,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,491.26 : 99,737.73 = 22,118.02 : x
  2. Step 2: Convert to fraction form
    66,491.26/99,737.73 = 22,118.02/x
  3. Step 3: Cross multiply
    66,491.26x = 99,737.73 × 22,118.02
  4. Step 4: Simplify right side
    66,491.26x = 2,206,001,106.89
  5. Step 5: Solve for x
    x = 2,206,001,106.89/66,491.26
  6. Step 6: Final answer
    x = 33,177.31

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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.