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Finding the Fourth Proportional to 321,302.60, 481,608.30 and 121,545.80

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Solution

The fourth proportional to 321,302.60, 481,608.30 and 121,545.80 is: 182,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,302.60 : 481,608.30 = 121,545.80 : x
  2. Step 2: Convert to fraction form
    321,302.60/481,608.30 = 121,545.80/x
  3. Step 3: Cross multiply
    321,302.60x = 481,608.30 × 121,545.80
  4. Step 4: Simplify right side
    321,302.60x = 58,537,466,110.14
  5. Step 5: Solve for x
    x = 58,537,466,110.14/321,302.60
  6. Step 6: Final answer
    x = 182,187.96

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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.