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Finding the Fourth Proportional to 228,019.21, 341,844.33 and 94,999.39

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Solution

The fourth proportional to 228,019.21, 341,844.33 and 94,999.39 is: 142,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,019.21 : 341,844.33 = 94,999.39 : x
  2. Step 2: Convert to fraction form
    228,019.21/341,844.33 = 94,999.39/x
  3. Step 3: Cross multiply
    228,019.21x = 341,844.33 × 94,999.39
  4. Step 4: Simplify right side
    228,019.21x = 32,475,002,824.96
  5. Step 5: Solve for x
    x = 32,475,002,824.96/228,019.21
  6. Step 6: Final answer
    x = 142,422.22

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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.