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Finding the Fourth Proportional to 153,252.82, 211,494.99 and 92,789.11

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Solution

The fourth proportional to 153,252.82, 211,494.99 and 92,789.11 is: 128,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,252.82 : 211,494.99 = 92,789.11 : x
  2. Step 2: Convert to fraction form
    153,252.82/211,494.99 = 92,789.11/x
  3. Step 3: Cross multiply
    153,252.82x = 211,494.99 × 92,789.11
  4. Step 4: Simplify right side
    153,252.82x = 19,624,431,891.56
  5. Step 5: Solve for x
    x = 19,624,431,891.56/153,252.82
  6. Step 6: Final answer
    x = 128,052.66

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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.