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Finding the Fourth Proportional to 137,279.54, 205,898.16 and 37,447.86

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Solution

The fourth proportional to 137,279.54, 205,898.16 and 37,447.86 is: 56,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,279.54 : 205,898.16 = 37,447.86 : x
  2. Step 2: Convert to fraction form
    137,279.54/205,898.16 = 37,447.86/x
  3. Step 3: Cross multiply
    137,279.54x = 205,898.16 × 37,447.86
  4. Step 4: Simplify right side
    137,279.54x = 7,710,445,469.94
  5. Step 5: Solve for x
    x = 7,710,445,469.94/137,279.54
  6. Step 6: Final answer
    x = 56,166.02

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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.