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Finding the Fourth Proportional to 100,845.92, 151,267.49 and 34,332.43

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Solution

The fourth proportional to 100,845.92, 151,267.49 and 34,332.43 is: 51,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,845.92 : 151,267.49 = 34,332.43 : x
  2. Step 2: Convert to fraction form
    100,845.92/151,267.49 = 34,332.43/x
  3. Step 3: Cross multiply
    100,845.92x = 151,267.49 × 34,332.43
  4. Step 4: Simplify right side
    100,845.92x = 5,193,380,090.62
  5. Step 5: Solve for x
    x = 5,193,380,090.62/100,845.92
  6. Step 6: Final answer
    x = 51,498.17

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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.