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Finding the Fourth Proportional to 266,886.65, 368,397.41 and 164,990.27

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Solution

The fourth proportional to 266,886.65, 368,397.41 and 164,990.27 is: 227,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,886.65 : 368,397.41 = 164,990.27 : x
  2. Step 2: Convert to fraction form
    266,886.65/368,397.41 = 164,990.27/x
  3. Step 3: Cross multiply
    266,886.65x = 368,397.41 × 164,990.27
  4. Step 4: Simplify right side
    266,886.65x = 60,781,988,143.20
  5. Step 5: Solve for x
    x = 60,781,988,143.20/266,886.65
  6. Step 6: Final answer
    x = 227,744.58

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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.