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Finding the Fourth Proportional to 268,950.50, 371,151.68 and 148,091.49

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Solution

The fourth proportional to 268,950.50, 371,151.68 and 148,091.49 is: 204,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,950.50 : 371,151.68 = 148,091.49 : x
  2. Step 2: Convert to fraction form
    268,950.50/371,151.68 = 148,091.49/x
  3. Step 3: Cross multiply
    268,950.50x = 371,151.68 × 148,091.49
  4. Step 4: Simplify right side
    268,950.50x = 54,964,405,677.43
  5. Step 5: Solve for x
    x = 54,964,405,677.43/268,950.50
  6. Step 6: Final answer
    x = 204,366.26

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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.