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Finding the Fourth Proportional to 148,572.20, 222,858.78 and 37,764.20

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Solution

The fourth proportional to 148,572.20, 222,858.78 and 37,764.20 is: 56,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,572.20 : 222,858.78 = 37,764.20 : x
  2. Step 2: Convert to fraction form
    148,572.20/222,858.78 = 37,764.20/x
  3. Step 3: Cross multiply
    148,572.20x = 222,858.78 × 37,764.20
  4. Step 4: Simplify right side
    148,572.20x = 8,416,083,539.68
  5. Step 5: Solve for x
    x = 8,416,083,539.68/148,572.20
  6. Step 6: Final answer
    x = 56,646.42

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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.