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Finding the Fourth Proportional to 228,093.30, 342,139.95 and 134,781.30

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Solution

The fourth proportional to 228,093.30, 342,139.95 and 134,781.30 is: 202,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,093.30 : 342,139.95 = 134,781.30 : x
  2. Step 2: Convert to fraction form
    228,093.30/342,139.95 = 134,781.30/x
  3. Step 3: Cross multiply
    228,093.30x = 342,139.95 × 134,781.30
  4. Step 4: Simplify right side
    228,093.30x = 46,114,067,242.94
  5. Step 5: Solve for x
    x = 46,114,067,242.94/228,093.30
  6. Step 6: Final answer
    x = 202,171.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.