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Finding the Fourth Proportional to 96,660, 133,413.84 and 58,965.84

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Solution

The fourth proportional to 96,660, 133,413.84 and 58,965.84 is: 81,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,660 : 133,413.84 = 58,965.84 : x
  2. Step 2: Convert to fraction form
    96,660/133,413.84 = 58,965.84/x
  3. Step 3: Cross multiply
    96,660x = 133,413.84 × 58,965.84
  4. Step 4: Simplify right side
    96,660x = 7,866,859,143.23
  5. Step 5: Solve for x
    x = 7,866,859,143.23/96,660
  6. Step 6: Final answer
    x = 81,386.91

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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.