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Finding the Fourth Proportional to 266,732.99, 400,309.82 and 117,076.58

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Solution

The fourth proportional to 266,732.99, 400,309.82 and 117,076.58 is: 175,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,732.99 : 400,309.82 = 117,076.58 : x
  2. Step 2: Convert to fraction form
    266,732.99/400,309.82 = 117,076.58/x
  3. Step 3: Cross multiply
    266,732.99x = 400,309.82 × 117,076.58
  4. Step 4: Simplify right side
    266,732.99x = 46,866,902,079.08
  5. Step 5: Solve for x
    x = 46,866,902,079.08/266,732.99
  6. Step 6: Final answer
    x = 175,707.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.