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Finding the Fourth Proportional to 117,517.84, 162,180.84 and 67,225.36

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Solution

The fourth proportional to 117,517.84, 162,180.84 and 67,225.36 is: 92,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517.84 : 162,180.84 = 67,225.36 : x
  2. Step 2: Convert to fraction form
    117,517.84/162,180.84 = 67,225.36/x
  3. Step 3: Cross multiply
    117,517.84x = 162,180.84 × 67,225.36
  4. Step 4: Simplify right side
    117,517.84x = 10,902,665,354.10
  5. Step 5: Solve for x
    x = 10,902,665,354.10/117,517.84
  6. Step 6: Final answer
    x = 92,774.56

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1.5x scale

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.