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Finding the Fourth Proportional to 117,883.72, 176,823.84 and 29,137.23

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Solution

The fourth proportional to 117,883.72, 176,823.84 and 29,137.23 is: 43,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,883.72 : 176,823.84 = 29,137.23 : x
  2. Step 2: Convert to fraction form
    117,883.72/176,823.84 = 29,137.23/x
  3. Step 3: Cross multiply
    117,883.72x = 176,823.84 × 29,137.23
  4. Step 4: Simplify right side
    117,883.72x = 5,152,156,895.56
  5. Step 5: Solve for x
    x = 5,152,156,895.56/117,883.72
  6. Step 6: Final answer
    x = 43,705.41

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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.