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Finding the Fourth Proportional to 106,577.37, 159,831.43 and 35,480.90

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Solution

The fourth proportional to 106,577.37, 159,831.43 and 35,480.90 is: 53,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,577.37 : 159,831.43 = 35,480.90 : x
  2. Step 2: Convert to fraction form
    106,577.37/159,831.43 = 35,480.90/x
  3. Step 3: Cross multiply
    106,577.37x = 159,831.43 × 35,480.90
  4. Step 4: Simplify right side
    106,577.37x = 5,670,963,295.56
  5. Step 5: Solve for x
    x = 5,670,963,295.56/106,577.37
  6. Step 6: Final answer
    x = 53,209.83

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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.