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Finding the Fourth Proportional to 191,694.29, 287,541.50 and 51,452.91

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Solution

The fourth proportional to 191,694.29, 287,541.50 and 51,452.91 is: 77,179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,694.29 : 287,541.50 = 51,452.91 : x
  2. Step 2: Convert to fraction form
    191,694.29/287,541.50 = 51,452.91/x
  3. Step 3: Cross multiply
    191,694.29x = 287,541.50 × 51,452.91
  4. Step 4: Simplify right side
    191,694.29x = 14,794,846,663.50
  5. Step 5: Solve for x
    x = 14,794,846,663.50/191,694.29
  6. Step 6: Final answer
    x = 77,179.38

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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.