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Finding the Fourth Proportional to 117,908.89, 176,863.34 and 39,029.27

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Solution

The fourth proportional to 117,908.89, 176,863.34 and 39,029.27 is: 58,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,908.89 : 176,863.34 = 39,029.27 : x
  2. Step 2: Convert to fraction form
    117,908.89/176,863.34 = 39,029.27/x
  3. Step 3: Cross multiply
    117,908.89x = 176,863.34 × 39,029.27
  4. Step 4: Simplify right side
    117,908.89x = 6,902,846,263.22
  5. Step 5: Solve for x
    x = 6,902,846,263.22/117,908.89
  6. Step 6: Final answer
    x = 58,543.90

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1.5x scale

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.