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Finding the Fourth Proportional to 214,716.20, 322,074.30 and 151,730.60

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Solution

The fourth proportional to 214,716.20, 322,074.30 and 151,730.60 is: 227,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,716.20 : 322,074.30 = 151,730.60 : x
  2. Step 2: Convert to fraction form
    214,716.20/322,074.30 = 151,730.60/x
  3. Step 3: Cross multiply
    214,716.20x = 322,074.30 × 151,730.60
  4. Step 4: Simplify right side
    214,716.20x = 48,868,526,783.58
  5. Step 5: Solve for x
    x = 48,868,526,783.58/214,716.20
  6. Step 6: Final answer
    x = 227,595.90

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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.