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Finding the Fourth Proportional to 121,672.49, 182,494.36 and 37,432.49

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Solution

The fourth proportional to 121,672.49, 182,494.36 and 37,432.49 is: 56,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,672.49 : 182,494.36 = 37,432.49 : x
  2. Step 2: Convert to fraction form
    121,672.49/182,494.36 = 37,432.49/x
  3. Step 3: Cross multiply
    121,672.49x = 182,494.36 × 37,432.49
  4. Step 4: Simplify right side
    121,672.49x = 6,831,218,212.18
  5. Step 5: Solve for x
    x = 6,831,218,212.18/121,672.49
  6. Step 6: Final answer
    x = 56,144.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.