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Finding the Fourth Proportional to 148,062.60, 204,197.22 and 104,956.83

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Solution

The fourth proportional to 148,062.60, 204,197.22 and 104,956.83 is: 144,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,062.60 : 204,197.22 = 104,956.83 : x
  2. Step 2: Convert to fraction form
    148,062.60/204,197.22 = 104,956.83/x
  3. Step 3: Cross multiply
    148,062.60x = 204,197.22 × 104,956.83
  4. Step 4: Simplify right side
    148,062.60x = 21,431,892,906.01
  5. Step 5: Solve for x
    x = 21,431,892,906.01/148,062.60
  6. Step 6: Final answer
    x = 144,748.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.