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Finding the Fourth Proportional to 103,262.60, 154,644.41 and 58,754.52

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Solution

The fourth proportional to 103,262.60, 154,644.41 and 58,754.52 is: 87,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,262.60 : 154,644.41 = 58,754.52 : x
  2. Step 2: Convert to fraction form
    103,262.60/154,644.41 = 58,754.52/x
  3. Step 3: Cross multiply
    103,262.60x = 154,644.41 × 58,754.52
  4. Step 4: Simplify right side
    103,262.60x = 9,086,057,786.46
  5. Step 5: Solve for x
    x = 9,086,057,786.46/103,262.60
  6. Step 6: Final answer
    x = 87,989.83

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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.