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Finding the Fourth Proportional to 150,503.08, 207,834.86 and 96,881.29

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Solution

The fourth proportional to 150,503.08, 207,834.86 and 96,881.29 is: 133,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,503.08 : 207,834.86 = 96,881.29 : x
  2. Step 2: Convert to fraction form
    150,503.08/207,834.86 = 96,881.29/x
  3. Step 3: Cross multiply
    150,503.08x = 207,834.86 × 96,881.29
  4. Step 4: Simplify right side
    150,503.08x = 20,135,309,343.77
  5. Step 5: Solve for x
    x = 20,135,309,343.77/150,503.08
  6. Step 6: Final answer
    x = 133,786.69

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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.