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Finding the Fourth Proportional to 171,693.12, 236,936.49 and 95,223.88

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Solution

The fourth proportional to 171,693.12, 236,936.49 and 95,223.88 is: 131,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,693.12 : 236,936.49 = 95,223.88 : x
  2. Step 2: Convert to fraction form
    171,693.12/236,936.49 = 95,223.88/x
  3. Step 3: Cross multiply
    171,693.12x = 236,936.49 × 95,223.88
  4. Step 4: Simplify right side
    171,693.12x = 22,562,011,699.71
  5. Step 5: Solve for x
    x = 22,562,011,699.71/171,693.12
  6. Step 6: Final answer
    x = 131,408.95

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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.