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Finding the Fourth Proportional to 118,202.14, 163,118.16 and 67,214.87

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Solution

The fourth proportional to 118,202.14, 163,118.16 and 67,214.87 is: 92,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,202.14 : 163,118.16 = 67,214.87 : x
  2. Step 2: Convert to fraction form
    118,202.14/163,118.16 = 67,214.87/x
  3. Step 3: Cross multiply
    118,202.14x = 163,118.16 × 67,214.87
  4. Step 4: Simplify right side
    118,202.14x = 10,963,965,103.45
  5. Step 5: Solve for x
    x = 10,963,965,103.45/118,202.14
  6. Step 6: Final answer
    x = 92,756.06

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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.