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Finding the Fourth Proportional to 203,691.66, 305,095.23 and 124,566

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Solution

The fourth proportional to 203,691.66, 305,095.23 and 124,566 is: 186,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,691.66 : 305,095.23 = 124,566 : x
  2. Step 2: Convert to fraction form
    203,691.66/305,095.23 = 124,566/x
  3. Step 3: Cross multiply
    203,691.66x = 305,095.23 × 124,566
  4. Step 4: Simplify right side
    203,691.66x = 38,004,492,420.18
  5. Step 5: Solve for x
    x = 38,004,492,420.18/203,691.66
  6. Step 6: Final answer
    x = 186,578.54

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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.