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Finding the Fourth Proportional to 228,851.14, 342,829.81 and 108,737.15

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Solution

The fourth proportional to 228,851.14, 342,829.81 and 108,737.15 is: 162,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,851.14 : 342,829.81 = 108,737.15 : x
  2. Step 2: Convert to fraction form
    228,851.14/342,829.81 = 108,737.15/x
  3. Step 3: Cross multiply
    228,851.14x = 342,829.81 × 108,737.15
  4. Step 4: Simplify right side
    228,851.14x = 37,278,336,474.44
  5. Step 5: Solve for x
    x = 37,278,336,474.44/228,851.14
  6. Step 6: Final answer
    x = 162,893.38

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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.