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Finding the Fourth Proportional to 266,859, 368,276.94 and 147,627

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Solution

The fourth proportional to 266,859, 368,276.94 and 147,627 is: 203,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,859 : 368,276.94 = 147,627 : x
  2. Step 2: Convert to fraction form
    266,859/368,276.94 = 147,627/x
  3. Step 3: Cross multiply
    266,859x = 368,276.94 × 147,627
  4. Step 4: Simplify right side
    266,859x = 54,367,619,821.38
  5. Step 5: Solve for x
    x = 54,367,619,821.38/266,859
  6. Step 6: Final answer
    x = 203,731.63

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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.