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Finding the Fourth Proportional to 223,214.73, 334,820.28 and 90,092.95

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Solution

The fourth proportional to 223,214.73, 334,820.28 and 90,092.95 is: 135,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,214.73 : 334,820.28 = 90,092.95 : x
  2. Step 2: Convert to fraction form
    223,214.73/334,820.28 = 90,092.95/x
  3. Step 3: Cross multiply
    223,214.73x = 334,820.28 × 90,092.95
  4. Step 4: Simplify right side
    223,214.73x = 30,164,946,745.03
  5. Step 5: Solve for x
    x = 30,164,946,745.03/223,214.73
  6. Step 6: Final answer
    x = 135,138.69

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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.