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Finding the Fourth Proportional to 223,460.20, 334,752.90 and 134,449.30

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Solution

The fourth proportional to 223,460.20, 334,752.90 and 134,449.30 is: 201,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,460.20 : 334,752.90 = 134,449.30 : x
  2. Step 2: Convert to fraction form
    223,460.20/334,752.90 = 134,449.30/x
  3. Step 3: Cross multiply
    223,460.20x = 334,752.90 × 134,449.30
  4. Step 4: Simplify right side
    223,460.20x = 45,007,293,077.97
  5. Step 5: Solve for x
    x = 45,007,293,077.97/223,460.20
  6. Step 6: Final answer
    x = 201,410.78

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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.