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Finding the Fourth Proportional to 191,735.08, 287,601.40 and 58,614.82

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Solution

The fourth proportional to 191,735.08, 287,601.40 and 58,614.82 is: 87,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,735.08 : 287,601.40 = 58,614.82 : x
  2. Step 2: Convert to fraction form
    191,735.08/287,601.40 = 58,614.82/x
  3. Step 3: Cross multiply
    191,735.08x = 287,601.40 × 58,614.82
  4. Step 4: Simplify right side
    191,735.08x = 16,857,704,292.75
  5. Step 5: Solve for x
    x = 16,857,704,292.75/191,735.08
  6. Step 6: Final answer
    x = 87,921.86

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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.