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Finding the Fourth Proportional to 189,773.39, 284,650.35 and 56,654.75

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Solution

The fourth proportional to 189,773.39, 284,650.35 and 56,654.75 is: 84,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,773.39 : 284,650.35 = 56,654.75 : x
  2. Step 2: Convert to fraction form
    189,773.39/284,650.35 = 56,654.75/x
  3. Step 3: Cross multiply
    189,773.39x = 284,650.35 × 56,654.75
  4. Step 4: Simplify right side
    189,773.39x = 16,126,794,416.66
  5. Step 5: Solve for x
    x = 16,126,794,416.66/189,773.39
  6. Step 6: Final answer
    x = 84,979.22

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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.