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Finding the Fourth Proportional to 95,980.80, 143,966.64 and 33,646.56

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Solution

The fourth proportional to 95,980.80, 143,966.64 and 33,646.56 is: 50,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,980.80 : 143,966.64 = 33,646.56 : x
  2. Step 2: Convert to fraction form
    95,980.80/143,966.64 = 33,646.56/x
  3. Step 3: Cross multiply
    95,980.80x = 143,966.64 × 33,646.56
  4. Step 4: Simplify right side
    95,980.80x = 4,843,982,190.76
  5. Step 5: Solve for x
    x = 4,843,982,190.76/95,980.80
  6. Step 6: Final answer
    x = 50,468.24

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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.