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Finding the Fourth Proportional to 226,468.40, 340,091.40 and 147,930.80

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Solution

The fourth proportional to 226,468.40, 340,091.40 and 147,930.80 is: 222,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,468.40 : 340,091.40 = 147,930.80 : x
  2. Step 2: Convert to fraction form
    226,468.40/340,091.40 = 147,930.80/x
  3. Step 3: Cross multiply
    226,468.40x = 340,091.40 × 147,930.80
  4. Step 4: Simplify right side
    226,468.40x = 50,309,992,875.12
  5. Step 5: Solve for x
    x = 50,309,992,875.12/226,468.40
  6. Step 6: Final answer
    x = 222,150.17

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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.