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Finding the Fourth Proportional to 171,705.72, 236,949.48 and 95,225.16

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Solution

The fourth proportional to 171,705.72, 236,949.48 and 95,225.16 is: 131,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,705.72 : 236,949.48 = 95,225.16 : x
  2. Step 2: Convert to fraction form
    171,705.72/236,949.48 = 95,225.16/x
  3. Step 3: Cross multiply
    171,705.72x = 236,949.48 × 95,225.16
  4. Step 4: Simplify right side
    171,705.72x = 22,563,552,144.92
  5. Step 5: Solve for x
    x = 22,563,552,144.92/171,705.72
  6. Step 6: Final answer
    x = 131,408.27

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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.