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Finding the Fourth Proportional to 301,116.60, 451,610.10 and 132,636.60

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Solution

The fourth proportional to 301,116.60, 451,610.10 and 132,636.60 is: 198,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,116.60 : 451,610.10 = 132,636.60 : x
  2. Step 2: Convert to fraction form
    301,116.60/451,610.10 = 132,636.60/x
  3. Step 3: Cross multiply
    301,116.60x = 451,610.10 × 132,636.60
  4. Step 4: Simplify right side
    301,116.60x = 59,900,028,189.66
  5. Step 5: Solve for x
    x = 59,900,028,189.66/301,116.60
  6. Step 6: Final answer
    x = 198,926.36

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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.