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Finding the Fourth Proportional to 376,505.52, 564,765.03 and 136,789.67

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Solution

The fourth proportional to 376,505.52, 564,765.03 and 136,789.67 is: 205,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,505.52 : 564,765.03 = 136,789.67 : x
  2. Step 2: Convert to fraction form
    376,505.52/564,765.03 = 136,789.67/x
  3. Step 3: Cross multiply
    376,505.52x = 564,765.03 × 136,789.67
  4. Step 4: Simplify right side
    376,505.52x = 77,254,019,257.42
  5. Step 5: Solve for x
    x = 77,254,019,257.42/376,505.52
  6. Step 6: Final answer
    x = 205,186.95

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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.