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Finding the Fourth Proportional to 151,920.40, 227,880.60 and 92,822.80

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Solution

The fourth proportional to 151,920.40, 227,880.60 and 92,822.80 is: 139,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,920.40 : 227,880.60 = 92,822.80 : x
  2. Step 2: Convert to fraction form
    151,920.40/227,880.60 = 92,822.80/x
  3. Step 3: Cross multiply
    151,920.40x = 227,880.60 × 92,822.80
  4. Step 4: Simplify right side
    151,920.40x = 21,152,515,357.68
  5. Step 5: Solve for x
    x = 21,152,515,357.68/151,920.40
  6. Step 6: Final answer
    x = 139,234.20

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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.