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Finding the Fourth Proportional to 183,677.20, 274,990.20 and 113,081.20

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Solution

The fourth proportional to 183,677.20, 274,990.20 and 113,081.20 is: 169,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,677.20 : 274,990.20 = 113,081.20 : x
  2. Step 2: Convert to fraction form
    183,677.20/274,990.20 = 113,081.20/x
  3. Step 3: Cross multiply
    183,677.20x = 274,990.20 × 113,081.20
  4. Step 4: Simplify right side
    183,677.20x = 31,096,221,804.24
  5. Step 5: Solve for x
    x = 31,096,221,804.24/183,677.20
  6. Step 6: Final answer
    x = 169,298.21

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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.