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Finding the Fourth Proportional to 197,280.90, 295,921.35 and 134,295.30

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Solution

The fourth proportional to 197,280.90, 295,921.35 and 134,295.30 is: 201,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,280.90 : 295,921.35 = 134,295.30 : x
  2. Step 2: Convert to fraction form
    197,280.90/295,921.35 = 134,295.30/x
  3. Step 3: Cross multiply
    197,280.90x = 295,921.35 × 134,295.30
  4. Step 4: Simplify right side
    197,280.90x = 39,740,846,474.66
  5. Step 5: Solve for x
    x = 39,740,846,474.66/197,280.90
  6. Step 6: Final answer
    x = 201,442.95

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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.