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Finding the Fourth Proportional to 111,625.60, 167,443.28 and 55,492.60

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Solution

The fourth proportional to 111,625.60, 167,443.28 and 55,492.60 is: 83,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,625.60 : 167,443.28 = 55,492.60 : x
  2. Step 2: Convert to fraction form
    111,625.60/167,443.28 = 55,492.60/x
  3. Step 3: Cross multiply
    111,625.60x = 167,443.28 × 55,492.60
  4. Step 4: Simplify right side
    111,625.60x = 9,291,862,959.73
  5. Step 5: Solve for x
    x = 9,291,862,959.73/111,625.60
  6. Step 6: Final answer
    x = 83,241.33

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1.5x scale

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.