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Finding the Fourth Proportional to 117,939.38, 162,751.46 and 64,224.27

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Solution

The fourth proportional to 117,939.38, 162,751.46 and 64,224.27 is: 88,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,939.38 : 162,751.46 = 64,224.27 : x
  2. Step 2: Convert to fraction form
    117,939.38/162,751.46 = 64,224.27/x
  3. Step 3: Cross multiply
    117,939.38x = 162,751.46 × 64,224.27
  4. Step 4: Simplify right side
    117,939.38x = 10,452,593,388.81
  5. Step 5: Solve for x
    x = 10,452,593,388.81/117,939.38
  6. Step 6: Final answer
    x = 88,626.83

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1.5x scale

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.