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Finding the Fourth Proportional to 148,508.60, 222,762.90 and 43,338.20

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Solution

The fourth proportional to 148,508.60, 222,762.90 and 43,338.20 is: 65,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,508.60 : 222,762.90 = 43,338.20 : x
  2. Step 2: Convert to fraction form
    148,508.60/222,762.90 = 43,338.20/x
  3. Step 3: Cross multiply
    148,508.60x = 222,762.90 × 43,338.20
  4. Step 4: Simplify right side
    148,508.60x = 9,654,143,112.78
  5. Step 5: Solve for x
    x = 9,654,143,112.78/148,508.60
  6. Step 6: Final answer
    x = 65,007.30

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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.