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Finding the Fourth Proportional to 375,392.82, 563,144.16 and 109,118.73

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Solution

The fourth proportional to 375,392.82, 563,144.16 and 109,118.73 is: 163,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,392.82 : 563,144.16 = 109,118.73 : x
  2. Step 2: Convert to fraction form
    375,392.82/563,144.16 = 109,118.73/x
  3. Step 3: Cross multiply
    375,392.82x = 563,144.16 × 109,118.73
  4. Step 4: Simplify right side
    375,392.82x = 61,449,575,546.12
  5. Step 5: Solve for x
    x = 61,449,575,546.12/375,392.82
  6. Step 6: Final answer
    x = 163,694.06

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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.