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Finding the Fourth Proportional to 183,322.54, 275,404.81 and 129,411.17

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Solution

The fourth proportional to 183,322.54, 275,404.81 and 129,411.17 is: 194,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,322.54 : 275,404.81 = 129,411.17 : x
  2. Step 2: Convert to fraction form
    183,322.54/275,404.81 = 129,411.17/x
  3. Step 3: Cross multiply
    183,322.54x = 275,404.81 × 129,411.17
  4. Step 4: Simplify right side
    183,322.54x = 35,640,458,260.59
  5. Step 5: Solve for x
    x = 35,640,458,260.59/183,322.54
  6. Step 6: Final answer
    x = 194,413.94

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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.