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Finding the Fourth Proportional to 198,366.74, 273,625.89 and 117,741.14

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Solution

The fourth proportional to 198,366.74, 273,625.89 and 117,741.14 is: 162,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,366.74 : 273,625.89 = 117,741.14 : x
  2. Step 2: Convert to fraction form
    198,366.74/273,625.89 = 117,741.14/x
  3. Step 3: Cross multiply
    198,366.74x = 273,625.89 × 117,741.14
  4. Step 4: Simplify right side
    198,366.74x = 32,217,024,222.11
  5. Step 5: Solve for x
    x = 32,217,024,222.11/198,366.74
  6. Step 6: Final answer
    x = 162,411.42

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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.