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Finding the Fourth Proportional to 121,241.60, 181,881.60 and 36,982.46

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Solution

The fourth proportional to 121,241.60, 181,881.60 and 36,982.46 is: 55,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,241.60 : 181,881.60 = 36,982.46 : x
  2. Step 2: Convert to fraction form
    121,241.60/181,881.60 = 36,982.46/x
  3. Step 3: Cross multiply
    121,241.60x = 181,881.60 × 36,982.46
  4. Step 4: Simplify right side
    121,241.60x = 6,726,428,996.74
  5. Step 5: Solve for x
    x = 6,726,428,996.74/121,241.60
  6. Step 6: Final answer
    x = 55,479.55

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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.