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Finding the Fourth Proportional to 108,377.74, 149,551.14 and 67,538.08

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Solution

The fourth proportional to 108,377.74, 149,551.14 and 67,538.08 is: 93,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,377.74 : 149,551.14 = 67,538.08 : x
  2. Step 2: Convert to fraction form
    108,377.74/149,551.14 = 67,538.08/x
  3. Step 3: Cross multiply
    108,377.74x = 149,551.14 × 67,538.08
  4. Step 4: Simplify right side
    108,377.74x = 10,100,396,857.41
  5. Step 5: Solve for x
    x = 10,100,396,857.41/108,377.74
  6. Step 6: Final answer
    x = 93,196.23

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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.