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Finding the Fourth Proportional to 109,237.71, 163,863.98 and 37,161.28

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Solution

The fourth proportional to 109,237.71, 163,863.98 and 37,161.28 is: 55,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,237.71 : 163,863.98 = 37,161.28 : x
  2. Step 2: Convert to fraction form
    109,237.71/163,863.98 = 37,161.28/x
  3. Step 3: Cross multiply
    109,237.71x = 163,863.98 × 37,161.28
  4. Step 4: Simplify right side
    109,237.71x = 6,089,395,401.07
  5. Step 5: Solve for x
    x = 6,089,395,401.07/109,237.71
  6. Step 6: Final answer
    x = 55,744.44

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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.