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Finding the Fourth Proportional to 92,227.70, 138,341.55 and 52,205.60

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Solution

The fourth proportional to 92,227.70, 138,341.55 and 52,205.60 is: 78,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,227.70 : 138,341.55 = 52,205.60 : x
  2. Step 2: Convert to fraction form
    92,227.70/138,341.55 = 52,205.60/x
  3. Step 3: Cross multiply
    92,227.70x = 138,341.55 × 52,205.60
  4. Step 4: Simplify right side
    92,227.70x = 7,222,203,622.68
  5. Step 5: Solve for x
    x = 7,222,203,622.68/92,227.70
  6. Step 6: Final answer
    x = 78,308.40

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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.