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Finding the Fourth Proportional to 107,851.60, 161,782.20 and 36,773.20

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Solution

The fourth proportional to 107,851.60, 161,782.20 and 36,773.20 is: 55,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,851.60 : 161,782.20 = 36,773.20 : x
  2. Step 2: Convert to fraction form
    107,851.60/161,782.20 = 36,773.20/x
  3. Step 3: Cross multiply
    107,851.60x = 161,782.20 × 36,773.20
  4. Step 4: Simplify right side
    107,851.60x = 5,949,249,197.04
  5. Step 5: Solve for x
    x = 5,949,249,197.04/107,851.60
  6. Step 6: Final answer
    x = 55,161.44

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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.