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Finding the Fourth Proportional to 169,582.70, 234,065.41 and 101,639.90

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Solution

The fourth proportional to 169,582.70, 234,065.41 and 101,639.90 is: 140,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,582.70 : 234,065.41 = 101,639.90 : x
  2. Step 2: Convert to fraction form
    169,582.70/234,065.41 = 101,639.90/x
  3. Step 3: Cross multiply
    169,582.70x = 234,065.41 × 101,639.90
  4. Step 4: Simplify right side
    169,582.70x = 23,790,384,865.86
  5. Step 5: Solve for x
    x = 23,790,384,865.86/169,582.70
  6. Step 6: Final answer
    x = 140,287.81

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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.