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Finding the Fourth Proportional to 404,104.92, 606,135.41 and 123,622.17

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Solution

The fourth proportional to 404,104.92, 606,135.41 and 123,622.17 is: 185,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,104.92 : 606,135.41 = 123,622.17 : x
  2. Step 2: Convert to fraction form
    404,104.92/606,135.41 = 123,622.17/x
  3. Step 3: Cross multiply
    404,104.92x = 606,135.41 × 123,622.17
  4. Step 4: Simplify right side
    404,104.92x = 74,931,774,079.93
  5. Step 5: Solve for x
    x = 74,931,774,079.93/404,104.92
  6. Step 6: Final answer
    x = 185,426.53

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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.