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Finding the Fourth Proportional to 100,299.39, 150,636.45 and 88,295.79

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Solution

The fourth proportional to 100,299.39, 150,636.45 and 88,295.79 is: 132,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,299.39 : 150,636.45 = 88,295.79 : x
  2. Step 2: Convert to fraction form
    100,299.39/150,636.45 = 88,295.79/x
  3. Step 3: Cross multiply
    100,299.39x = 150,636.45 × 88,295.79
  4. Step 4: Simplify right side
    100,299.39x = 13,300,564,355.55
  5. Step 5: Solve for x
    x = 13,300,564,355.55/100,299.39
  6. Step 6: Final answer
    x = 132,608.63

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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.