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Finding the Fourth Proportional to 168,275.65, 231,747.94 and 164,601.49

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Solution

The fourth proportional to 168,275.65, 231,747.94 and 164,601.49 is: 226,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,275.65 : 231,747.94 = 164,601.49 : x
  2. Step 2: Convert to fraction form
    168,275.65/231,747.94 = 164,601.49/x
  3. Step 3: Cross multiply
    168,275.65x = 231,747.94 × 164,601.49
  4. Step 4: Simplify right side
    168,275.65x = 38,146,056,228.43
  5. Step 5: Solve for x
    x = 38,146,056,228.43/168,275.65
  6. Step 6: Final answer
    x = 226,687.91

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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.