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Finding the Fourth Proportional to 188,933, 260,727.60 and 104,049.92

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Solution

The fourth proportional to 188,933, 260,727.60 and 104,049.92 is: 143,588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,933 : 260,727.60 = 104,049.92 : x
  2. Step 2: Convert to fraction form
    188,933/260,727.60 = 104,049.92/x
  3. Step 3: Cross multiply
    188,933x = 260,727.60 × 104,049.92
  4. Step 4: Simplify right side
    188,933x = 27,128,685,921.79
  5. Step 5: Solve for x
    x = 27,128,685,921.79/188,933
  6. Step 6: Final answer
    x = 143,588.92

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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.