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Finding the Fourth Proportional to 125,796.40, 188,673.42 and 35,832.79

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Solution

The fourth proportional to 125,796.40, 188,673.42 and 35,832.79 is: 53,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,796.40 : 188,673.42 = 35,832.79 : x
  2. Step 2: Convert to fraction form
    125,796.40/188,673.42 = 35,832.79/x
  3. Step 3: Cross multiply
    125,796.40x = 188,673.42 × 35,832.79
  4. Step 4: Simplify right side
    125,796.40x = 6,760,695,037.44
  5. Step 5: Solve for x
    x = 6,760,695,037.44/125,796.40
  6. Step 6: Final answer
    x = 53,743.15

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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.