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Finding the Fourth Proportional to 375,505.77, 563,252.50 and 91,198.66

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Solution

The fourth proportional to 375,505.77, 563,252.50 and 91,198.66 is: 136,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,505.77 : 563,252.50 = 91,198.66 : x
  2. Step 2: Convert to fraction form
    375,505.77/563,252.50 = 91,198.66/x
  3. Step 3: Cross multiply
    375,505.77x = 563,252.50 × 91,198.66
  4. Step 4: Simplify right side
    375,505.77x = 51,367,873,003.62
  5. Step 5: Solve for x
    x = 51,367,873,003.62/375,505.77
  6. Step 6: Final answer
    x = 136,796.49

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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.