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Finding the Fourth Proportional to 214,850.40, 321,968.40 and 158,248.80

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Solution

The fourth proportional to 214,850.40, 321,968.40 and 158,248.80 is: 237,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,850.40 : 321,968.40 = 158,248.80 : x
  2. Step 2: Convert to fraction form
    214,850.40/321,968.40 = 158,248.80/x
  3. Step 3: Cross multiply
    214,850.40x = 321,968.40 × 158,248.80
  4. Step 4: Simplify right side
    214,850.40x = 50,951,112,937.92
  5. Step 5: Solve for x
    x = 50,951,112,937.92/214,850.40
  6. Step 6: Final answer
    x = 237,146.93

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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.