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Finding the Fourth Proportional to 188,765.96, 260,496.84 and 103,883.04

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Solution

The fourth proportional to 188,765.96, 260,496.84 and 103,883.04 is: 143,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,765.96 : 260,496.84 = 103,883.04 : x
  2. Step 2: Convert to fraction form
    188,765.96/260,496.84 = 103,883.04/x
  3. Step 3: Cross multiply
    188,765.96x = 260,496.84 × 103,883.04
  4. Step 4: Simplify right side
    188,765.96x = 27,061,203,649.59
  5. Step 5: Solve for x
    x = 27,061,203,649.59/188,765.96
  6. Step 6: Final answer
    x = 143,358.49

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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.