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Finding the Fourth Proportional to 217,270.70, 325,906.05 and 92,854.70

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Solution

The fourth proportional to 217,270.70, 325,906.05 and 92,854.70 is: 139,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,270.70 : 325,906.05 = 92,854.70 : x
  2. Step 2: Convert to fraction form
    217,270.70/325,906.05 = 92,854.70/x
  3. Step 3: Cross multiply
    217,270.70x = 325,906.05 × 92,854.70
  4. Step 4: Simplify right side
    217,270.70x = 30,261,908,500.94
  5. Step 5: Solve for x
    x = 30,261,908,500.94/217,270.70
  6. Step 6: Final answer
    x = 139,282.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.