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Finding the Fourth Proportional to 227,007.60, 340,511.40 and 148,210.80

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Solution

The fourth proportional to 227,007.60, 340,511.40 and 148,210.80 is: 222,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,007.60 : 340,511.40 = 148,210.80 : x
  2. Step 2: Convert to fraction form
    227,007.60/340,511.40 = 148,210.80/x
  3. Step 3: Cross multiply
    227,007.60x = 340,511.40 × 148,210.80
  4. Step 4: Simplify right side
    227,007.60x = 50,467,467,003.12
  5. Step 5: Solve for x
    x = 50,467,467,003.12/227,007.60
  6. Step 6: Final answer
    x = 222,316.20

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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.