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Finding the Fourth Proportional to 117,750.87, 162,494.67 and 64,034.73

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Solution

The fourth proportional to 117,750.87, 162,494.67 and 64,034.73 is: 88,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,750.87 : 162,494.67 = 64,034.73 : x
  2. Step 2: Convert to fraction form
    117,750.87/162,494.67 = 64,034.73/x
  3. Step 3: Cross multiply
    117,750.87x = 162,494.67 × 64,034.73
  4. Step 4: Simplify right side
    117,750.87x = 10,405,302,504.50
  5. Step 5: Solve for x
    x = 10,405,302,504.50/117,750.87
  6. Step 6: Final answer
    x = 88,367.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.