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Finding the Fourth Proportional to 110,024.33, 151,855.71 and 71,790.10

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Solution

The fourth proportional to 110,024.33, 151,855.71 and 71,790.10 is: 99,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,024.33 : 151,855.71 = 71,790.10 : x
  2. Step 2: Convert to fraction form
    110,024.33/151,855.71 = 71,790.10/x
  3. Step 3: Cross multiply
    110,024.33x = 151,855.71 × 71,790.10
  4. Step 4: Simplify right side
    110,024.33x = 10,901,736,361.44
  5. Step 5: Solve for x
    x = 10,901,736,361.44/110,024.33
  6. Step 6: Final answer
    x = 99,084.78

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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.