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Finding the Fourth Proportional to 118,167.62, 163,085.11 and 67,187.99

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Solution

The fourth proportional to 118,167.62, 163,085.11 and 67,187.99 is: 92,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,167.62 : 163,085.11 = 67,187.99 : x
  2. Step 2: Convert to fraction form
    118,167.62/163,085.11 = 67,187.99/x
  3. Step 3: Cross multiply
    118,167.62x = 163,085.11 × 67,187.99
  4. Step 4: Simplify right side
    118,167.62x = 10,957,360,895.59
  5. Step 5: Solve for x
    x = 10,957,360,895.59/118,167.62
  6. Step 6: Final answer
    x = 92,727.27

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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.