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Finding the Fourth Proportional to 171,110.49, 236,161.61 and 99,532

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Solution

The fourth proportional to 171,110.49, 236,161.61 and 99,532 is: 137,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,110.49 : 236,161.61 = 99,532 : x
  2. Step 2: Convert to fraction form
    171,110.49/236,161.61 = 99,532/x
  3. Step 3: Cross multiply
    171,110.49x = 236,161.61 × 99,532
  4. Step 4: Simplify right side
    171,110.49x = 23,505,636,868.86
  5. Step 5: Solve for x
    x = 23,505,636,868.86/171,110.49
  6. Step 6: Final answer
    x = 137,371.11

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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.