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Finding the Fourth Proportional to 117,820.91, 176,747.76 and 37,861.26

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Solution

The fourth proportional to 117,820.91, 176,747.76 and 37,861.26 is: 56,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,820.91 : 176,747.76 = 37,861.26 : x
  2. Step 2: Convert to fraction form
    117,820.91/176,747.76 = 37,861.26/x
  3. Step 3: Cross multiply
    117,820.91x = 176,747.76 × 37,861.26
  4. Step 4: Simplify right side
    117,820.91x = 6,691,892,895.78
  5. Step 5: Solve for x
    x = 6,691,892,895.78/117,820.91
  6. Step 6: Final answer
    x = 56,797.16

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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.