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Finding the Fourth Proportional to 159,893.38, 239,818.19 and 47,590.93

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Solution

The fourth proportional to 159,893.38, 239,818.19 and 47,590.93 is: 71,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,893.38 : 239,818.19 = 47,590.93 : x
  2. Step 2: Convert to fraction form
    159,893.38/239,818.19 = 47,590.93/x
  3. Step 3: Cross multiply
    159,893.38x = 239,818.19 × 47,590.93
  4. Step 4: Simplify right side
    159,893.38x = 11,413,170,693.02
  5. Step 5: Solve for x
    x = 11,413,170,693.02/159,893.38
  6. Step 6: Final answer
    x = 71,379.88

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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.