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Finding the Fourth Proportional to 117,503.61, 162,137.88 and 67,192.89

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Solution

The fourth proportional to 117,503.61, 162,137.88 and 67,192.89 is: 92,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,503.61 : 162,137.88 = 67,192.89 : x
  2. Step 2: Convert to fraction form
    117,503.61/162,137.88 = 67,192.89/x
  3. Step 3: Cross multiply
    117,503.61x = 162,137.88 × 67,192.89
  4. Step 4: Simplify right side
    117,503.61x = 10,894,512,850.70
  5. Step 5: Solve for x
    x = 10,894,512,850.70/117,503.61
  6. Step 6: Final answer
    x = 92,716.41

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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.