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Finding the Fourth Proportional to 266,689.49, 368,001.26 and 157,797.17

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Solution

The fourth proportional to 266,689.49, 368,001.26 and 157,797.17 is: 217,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,689.49 : 368,001.26 = 157,797.17 : x
  2. Step 2: Convert to fraction form
    266,689.49/368,001.26 = 157,797.17/x
  3. Step 3: Cross multiply
    266,689.49x = 368,001.26 × 157,797.17
  4. Step 4: Simplify right side
    266,689.49x = 58,069,554,755.44
  5. Step 5: Solve for x
    x = 58,069,554,755.44/266,689.49
  6. Step 6: Final answer
    x = 217,742.20

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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.