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Finding the Fourth Proportional to 301,123.60, 451,620.60 and 132,643.60

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Solution

The fourth proportional to 301,123.60, 451,620.60 and 132,643.60 is: 198,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,123.60 : 451,620.60 = 132,643.60 : x
  2. Step 2: Convert to fraction form
    301,123.60/451,620.60 = 132,643.60/x
  3. Step 3: Cross multiply
    301,123.60x = 451,620.60 × 132,643.60
  4. Step 4: Simplify right side
    301,123.60x = 59,904,582,218.16
  5. Step 5: Solve for x
    x = 59,904,582,218.16/301,123.60
  6. Step 6: Final answer
    x = 198,936.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.