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Finding the Fourth Proportional to 92,178.95, 127,198.15 and 67,993.08

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Solution

The fourth proportional to 92,178.95, 127,198.15 and 67,993.08 is: 93,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,178.95 : 127,198.15 = 67,993.08 : x
  2. Step 2: Convert to fraction form
    92,178.95/127,198.15 = 67,993.08/x
  3. Step 3: Cross multiply
    92,178.95x = 127,198.15 × 67,993.08
  4. Step 4: Simplify right side
    92,178.95x = 8,648,593,988.80
  5. Step 5: Solve for x
    x = 8,648,593,988.80/92,178.95
  6. Step 6: Final answer
    x = 93,823.96

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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.