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Finding the Fourth Proportional to 168,253.84, 231,717.87 and 164,579.68

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Solution

The fourth proportional to 168,253.84, 231,717.87 and 164,579.68 is: 226,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,253.84 : 231,717.87 = 164,579.68 : x
  2. Step 2: Convert to fraction form
    168,253.84/231,717.87 = 164,579.68/x
  3. Step 3: Cross multiply
    168,253.84x = 231,717.87 × 164,579.68
  4. Step 4: Simplify right side
    168,253.84x = 38,136,052,894.88
  5. Step 5: Solve for x
    x = 38,136,052,894.88/168,253.84
  6. Step 6: Final answer
    x = 226,657.85

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1.5x scale

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.