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Finding the Fourth Proportional to 117,806.50, 176,766.45 and 58,647.34

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Solution

The fourth proportional to 117,806.50, 176,766.45 and 58,647.34 is: 87,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,806.50 : 176,766.45 = 58,647.34 : x
  2. Step 2: Convert to fraction form
    117,806.50/176,766.45 = 58,647.34/x
  3. Step 3: Cross multiply
    117,806.50x = 176,766.45 × 58,647.34
  4. Step 4: Simplify right side
    117,806.50x = 10,366,882,093.74
  5. Step 5: Solve for x
    x = 10,366,882,093.74/117,806.50
  6. Step 6: Final answer
    x = 87,999.24

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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.