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Finding the Fourth Proportional to 110,413.92, 165,512.88 and 43,831.92

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Solution

The fourth proportional to 110,413.92, 165,512.88 and 43,831.92 is: 65,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,413.92 : 165,512.88 = 43,831.92 : x
  2. Step 2: Convert to fraction form
    110,413.92/165,512.88 = 43,831.92/x
  3. Step 3: Cross multiply
    110,413.92x = 165,512.88 × 43,831.92
  4. Step 4: Simplify right side
    110,413.92x = 7,254,747,315.13
  5. Step 5: Solve for x
    x = 7,254,747,315.13/110,413.92
  6. Step 6: Final answer
    x = 65,705.01

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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.