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Finding the Fourth Proportional to 121,980.87, 182,952.81 and 33,241.46

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Solution

The fourth proportional to 121,980.87, 182,952.81 and 33,241.46 is: 49,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,980.87 : 182,952.81 = 33,241.46 : x
  2. Step 2: Convert to fraction form
    121,980.87/182,952.81 = 33,241.46/x
  3. Step 3: Cross multiply
    121,980.87x = 182,952.81 × 33,241.46
  4. Step 4: Simplify right side
    121,980.87x = 6,081,617,600.74
  5. Step 5: Solve for x
    x = 6,081,617,600.74/121,980.87
  6. Step 6: Final answer
    x = 49,857.14

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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.