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Finding the Fourth Proportional to 169,672.11, 234,150.33 and 93,198.27

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Solution

The fourth proportional to 169,672.11, 234,150.33 and 93,198.27 is: 128,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,672.11 : 234,150.33 = 93,198.27 : x
  2. Step 2: Convert to fraction form
    169,672.11/234,150.33 = 93,198.27/x
  3. Step 3: Cross multiply
    169,672.11x = 234,150.33 × 93,198.27
  4. Step 4: Simplify right side
    169,672.11x = 21,822,406,903.49
  5. Step 5: Solve for x
    x = 21,822,406,903.49/169,672.11
  6. Step 6: Final answer
    x = 128,615.17

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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.