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Finding the Fourth Proportional to 266,846.58, 400,159.14 and 98,376.49

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Solution

The fourth proportional to 266,846.58, 400,159.14 and 98,376.49 is: 147,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,846.58 : 400,159.14 = 98,376.49 : x
  2. Step 2: Convert to fraction form
    266,846.58/400,159.14 = 98,376.49/x
  3. Step 3: Cross multiply
    266,846.58x = 400,159.14 × 98,376.49
  4. Step 4: Simplify right side
    266,846.58x = 39,366,251,634.62
  5. Step 5: Solve for x
    x = 39,366,251,634.62/266,846.58
  6. Step 6: Final answer
    x = 147,523.91

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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.