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Finding the Fourth Proportional to 376,161.58, 564,285.18 and 136,388.40

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Solution

The fourth proportional to 376,161.58, 564,285.18 and 136,388.40 is: 204,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,161.58 : 564,285.18 = 136,388.40 : x
  2. Step 2: Convert to fraction form
    376,161.58/564,285.18 = 136,388.40/x
  3. Step 3: Cross multiply
    376,161.58x = 564,285.18 × 136,388.40
  4. Step 4: Simplify right side
    376,161.58x = 76,961,951,338.49
  5. Step 5: Solve for x
    x = 76,961,951,338.49/376,161.58
  6. Step 6: Final answer
    x = 204,598.12

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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.