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Finding the Fourth Proportional to 117,749.60, 176,624.90 and 36,697.66

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Solution

The fourth proportional to 117,749.60, 176,624.90 and 36,697.66 is: 55,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,749.60 : 176,624.90 = 36,697.66 : x
  2. Step 2: Convert to fraction form
    117,749.60/176,624.90 = 36,697.66/x
  3. Step 3: Cross multiply
    117,749.60x = 176,624.90 × 36,697.66
  4. Step 4: Simplify right side
    117,749.60x = 6,481,720,246.72
  5. Step 5: Solve for x
    x = 6,481,720,246.72/117,749.60
  6. Step 6: Final answer
    x = 55,046.64

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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.