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Finding the Fourth Proportional to 148,954.66, 223,306.12 and 64,651.08

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Solution

The fourth proportional to 148,954.66, 223,306.12 and 64,651.08 is: 96,921.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,954.66 : 223,306.12 = 64,651.08 : x
  2. Step 2: Convert to fraction form
    148,954.66/223,306.12 = 64,651.08/x
  3. Step 3: Cross multiply
    148,954.66x = 223,306.12 × 64,651.08
  4. Step 4: Simplify right side
    148,954.66x = 14,436,981,828.61
  5. Step 5: Solve for x
    x = 14,436,981,828.61/148,954.66
  6. Step 6: Final answer
    x = 96,921.99

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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.