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Finding the Fourth Proportional to 100,196.54, 150,396.08 and 88,872.71

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Solution

The fourth proportional to 100,196.54, 150,396.08 and 88,872.71 is: 133,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,196.54 : 150,396.08 = 88,872.71 : x
  2. Step 2: Convert to fraction form
    100,196.54/150,396.08 = 88,872.71/x
  3. Step 3: Cross multiply
    100,196.54x = 150,396.08 × 88,872.71
  4. Step 4: Simplify right side
    100,196.54x = 13,366,106,804.55
  5. Step 5: Solve for x
    x = 13,366,106,804.55/100,196.54
  6. Step 6: Final answer
    x = 133,398.89

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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.