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Finding the Fourth Proportional to 373,476.86, 559,952.87 and 136,788.78

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Solution

The fourth proportional to 373,476.86, 559,952.87 and 136,788.78 is: 205,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,476.86 : 559,952.87 = 136,788.78 : x
  2. Step 2: Convert to fraction form
    373,476.86/559,952.87 = 136,788.78/x
  3. Step 3: Cross multiply
    373,476.86x = 559,952.87 × 136,788.78
  4. Step 4: Simplify right side
    373,476.86x = 76,595,269,944.80
  5. Step 5: Solve for x
    x = 76,595,269,944.80/373,476.86
  6. Step 6: Final answer
    x = 205,087.06

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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.