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Finding the Fourth Proportional to 203,502.60, 305,253.90 and 92,910.60

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Solution

The fourth proportional to 203,502.60, 305,253.90 and 92,910.60 is: 139,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,502.60 : 305,253.90 = 92,910.60 : x
  2. Step 2: Convert to fraction form
    203,502.60/305,253.90 = 92,910.60/x
  3. Step 3: Cross multiply
    203,502.60x = 305,253.90 × 92,910.60
  4. Step 4: Simplify right side
    203,502.60x = 28,361,323,001.34
  5. Step 5: Solve for x
    x = 28,361,323,001.34/203,502.60
  6. Step 6: Final answer
    x = 139,365.90

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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.