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Finding the Fourth Proportional to 101,773.88, 152,529.42 and 45,572.84

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Solution

The fourth proportional to 101,773.88, 152,529.42 and 45,572.84 is: 68,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,773.88 : 152,529.42 = 45,572.84 : x
  2. Step 2: Convert to fraction form
    101,773.88/152,529.42 = 45,572.84/x
  3. Step 3: Cross multiply
    101,773.88x = 152,529.42 × 45,572.84
  4. Step 4: Simplify right side
    101,773.88x = 6,951,198,852.95
  5. Step 5: Solve for x
    x = 6,951,198,852.95/101,773.88
  6. Step 6: Final answer
    x = 68,300.42

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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.