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Finding the Fourth Proportional to 108,232.35, 149,263.94 and 67,949.87

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Solution

The fourth proportional to 108,232.35, 149,263.94 and 67,949.87 is: 93,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,232.35 : 149,263.94 = 67,949.87 : x
  2. Step 2: Convert to fraction form
    108,232.35/149,263.94 = 67,949.87/x
  3. Step 3: Cross multiply
    108,232.35x = 149,263.94 × 67,949.87
  4. Step 4: Simplify right side
    108,232.35x = 10,142,464,232.62
  5. Step 5: Solve for x
    x = 10,142,464,232.62/108,232.35
  6. Step 6: Final answer
    x = 93,710.10

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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.