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Finding the Fourth Proportional to 230,733.60, 345,808.80 and 168,331.20

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Solution

The fourth proportional to 230,733.60, 345,808.80 and 168,331.20 is: 252,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,733.60 : 345,808.80 = 168,331.20 : x
  2. Step 2: Convert to fraction form
    230,733.60/345,808.80 = 168,331.20/x
  3. Step 3: Cross multiply
    230,733.60x = 345,808.80 × 168,331.20
  4. Step 4: Simplify right side
    230,733.60x = 58,210,410,274.56
  5. Step 5: Solve for x
    x = 58,210,410,274.56/230,733.60
  6. Step 6: Final answer
    x = 252,284.06

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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.