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Finding the Fourth Proportional to 199,043, 274,688.22 and 117,374.56

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Solution

The fourth proportional to 199,043, 274,688.22 and 117,374.56 is: 161,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,043 : 274,688.22 = 117,374.56 : x
  2. Step 2: Convert to fraction form
    199,043/274,688.22 = 117,374.56/x
  3. Step 3: Cross multiply
    199,043x = 274,688.22 × 117,374.56
  4. Step 4: Simplify right side
    199,043x = 32,241,408,959.68
  5. Step 5: Solve for x
    x = 32,241,408,959.68/199,043
  6. Step 6: Final answer
    x = 161,982.13

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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.