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Finding the Fourth Proportional to 192,340.50, 265,425 and 107,458.20

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Solution

The fourth proportional to 192,340.50, 265,425 and 107,458.20 is: 148,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,340.50 : 265,425 = 107,458.20 : x
  2. Step 2: Convert to fraction form
    192,340.50/265,425 = 107,458.20/x
  3. Step 3: Cross multiply
    192,340.50x = 265,425 × 107,458.20
  4. Step 4: Simplify right side
    192,340.50x = 28,522,092,735
  5. Step 5: Solve for x
    x = 28,522,092,735/192,340.50
  6. Step 6: Final answer
    x = 148,289.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.