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Finding the Fourth Proportional to 101,095.92, 139,540.08 and 58,668

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Solution

The fourth proportional to 101,095.92, 139,540.08 and 58,668 is: 80,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,095.92 : 139,540.08 = 58,668 : x
  2. Step 2: Convert to fraction form
    101,095.92/139,540.08 = 58,668/x
  3. Step 3: Cross multiply
    101,095.92x = 139,540.08 × 58,668
  4. Step 4: Simplify right side
    101,095.92x = 8,186,537,413.44
  5. Step 5: Solve for x
    x = 8,186,537,413.44/101,095.92
  6. Step 6: Final answer
    x = 80,977.92

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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.