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Finding the Fourth Proportional to 227,232.20, 340,848.30 and 143,251.40

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Solution

The fourth proportional to 227,232.20, 340,848.30 and 143,251.40 is: 214,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,232.20 : 340,848.30 = 143,251.40 : x
  2. Step 2: Convert to fraction form
    227,232.20/340,848.30 = 143,251.40/x
  3. Step 3: Cross multiply
    227,232.20x = 340,848.30 × 143,251.40
  4. Step 4: Simplify right side
    227,232.20x = 48,826,996,162.62
  5. Step 5: Solve for x
    x = 48,826,996,162.62/227,232.20
  6. Step 6: Final answer
    x = 214,877.10

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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.