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Finding the Fourth Proportional to 117,503.66, 162,137.94 and 67,192.94

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Solution

The fourth proportional to 117,503.66, 162,137.94 and 67,192.94 is: 92,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,503.66 : 162,137.94 = 67,192.94 : x
  2. Step 2: Convert to fraction form
    117,503.66/162,137.94 = 67,192.94/x
  3. Step 3: Cross multiply
    117,503.66x = 162,137.94 × 67,192.94
  4. Step 4: Simplify right side
    117,503.66x = 10,894,524,063.45
  5. Step 5: Solve for x
    x = 10,894,524,063.45/117,503.66
  6. Step 6: Final answer
    x = 92,716.47

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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.