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Finding the Fourth Proportional to 149,992.71, 224,989.08 and 103,540.83

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Solution

The fourth proportional to 149,992.71, 224,989.08 and 103,540.83 is: 155,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,992.71 : 224,989.08 = 103,540.83 : x
  2. Step 2: Convert to fraction form
    149,992.71/224,989.08 = 103,540.83/x
  3. Step 3: Cross multiply
    149,992.71x = 224,989.08 × 103,540.83
  4. Step 4: Simplify right side
    149,992.71x = 23,295,556,084.14
  5. Step 5: Solve for x
    x = 23,295,556,084.14/149,992.71
  6. Step 6: Final answer
    x = 155,311.26

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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.