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Finding the Fourth Proportional to 191,736.83, 287,604.02 and 58,616.57

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Solution

The fourth proportional to 191,736.83, 287,604.02 and 58,616.57 is: 87,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,736.83 : 287,604.02 = 58,616.57 : x
  2. Step 2: Convert to fraction form
    191,736.83/287,604.02 = 58,616.57/x
  3. Step 3: Cross multiply
    191,736.83x = 287,604.02 × 58,616.57
  4. Step 4: Simplify right side
    191,736.83x = 16,858,359,879.13
  5. Step 5: Solve for x
    x = 16,858,359,879.13/191,736.83
  6. Step 6: Final answer
    x = 87,924.48

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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.