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Finding the Fourth Proportional to 266,029.74, 367,126.29 and 208,737.72

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Solution

The fourth proportional to 266,029.74, 367,126.29 and 208,737.72 is: 288,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,029.74 : 367,126.29 = 208,737.72 : x
  2. Step 2: Convert to fraction form
    266,029.74/367,126.29 = 208,737.72/x
  3. Step 3: Cross multiply
    266,029.74x = 367,126.29 × 208,737.72
  4. Step 4: Simplify right side
    266,029.74x = 76,633,104,726.66
  5. Step 5: Solve for x
    x = 76,633,104,726.66/266,029.74
  6. Step 6: Final answer
    x = 288,062.17

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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.