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Finding the Fourth Proportional to 101,644.45, 152,437.03 and 34,168.86

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Solution

The fourth proportional to 101,644.45, 152,437.03 and 34,168.86 is: 51,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,644.45 : 152,437.03 = 34,168.86 : x
  2. Step 2: Convert to fraction form
    101,644.45/152,437.03 = 34,168.86/x
  3. Step 3: Cross multiply
    101,644.45x = 152,437.03 × 34,168.86
  4. Step 4: Simplify right side
    101,644.45x = 5,208,599,451.46
  5. Step 5: Solve for x
    x = 5,208,599,451.46/101,644.45
  6. Step 6: Final answer
    x = 51,243.32

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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.