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Finding the Fourth Proportional to 75,512.62, 104,053.86 and 58,413.01

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Solution

The fourth proportional to 75,512.62, 104,053.86 and 58,413.01 is: 80,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,512.62 : 104,053.86 = 58,413.01 : x
  2. Step 2: Convert to fraction form
    75,512.62/104,053.86 = 58,413.01/x
  3. Step 3: Cross multiply
    75,512.62x = 104,053.86 × 58,413.01
  4. Step 4: Simplify right side
    75,512.62x = 6,078,099,164.72
  5. Step 5: Solve for x
    x = 6,078,099,164.72/75,512.62
  6. Step 6: Final answer
    x = 80,491.17

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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.