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Finding the Fourth Proportional to 192,644.76, 265,849.02 and 107,761.62

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Solution

The fourth proportional to 192,644.76, 265,849.02 and 107,761.62 is: 148,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,644.76 : 265,849.02 = 107,761.62 : x
  2. Step 2: Convert to fraction form
    192,644.76/265,849.02 = 107,761.62/x
  3. Step 3: Cross multiply
    192,644.76x = 265,849.02 × 107,761.62
  4. Step 4: Simplify right side
    192,644.76x = 28,648,321,070.61
  5. Step 5: Solve for x
    x = 28,648,321,070.61/192,644.76
  6. Step 6: Final answer
    x = 148,710.62

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Why These Related Problems?

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