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Finding the Fourth Proportional to 101,910.74, 152,832.26 and 48,572.88

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Solution

The fourth proportional to 101,910.74, 152,832.26 and 48,572.88 is: 72,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910.74 : 152,832.26 = 48,572.88 : x
  2. Step 2: Convert to fraction form
    101,910.74/152,832.26 = 48,572.88/x
  3. Step 3: Cross multiply
    101,910.74x = 152,832.26 × 48,572.88
  4. Step 4: Simplify right side
    101,910.74x = 7,423,503,025.11
  5. Step 5: Solve for x
    x = 7,423,503,025.11/101,910.74
  6. Step 6: Final answer
    x = 72,843.19

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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.