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Finding the Fourth Proportional to 131,754.26, 197,615.03 and 36,991.89

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Solution

The fourth proportional to 131,754.26, 197,615.03 and 36,991.89 is: 55,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,754.26 : 197,615.03 = 36,991.89 : x
  2. Step 2: Convert to fraction form
    131,754.26/197,615.03 = 36,991.89/x
  3. Step 3: Cross multiply
    131,754.26x = 197,615.03 × 36,991.89
  4. Step 4: Simplify right side
    131,754.26x = 7,310,153,267.15
  5. Step 5: Solve for x
    x = 7,310,153,267.15/131,754.26
  6. Step 6: Final answer
    x = 55,483.24

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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.