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Finding the Fourth Proportional to 100,577.55, 150,828.96 and 29,481.93

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Solution

The fourth proportional to 100,577.55, 150,828.96 and 29,481.93 is: 44,211.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,577.55 : 150,828.96 = 29,481.93 : x
  2. Step 2: Convert to fraction form
    100,577.55/150,828.96 = 29,481.93/x
  3. Step 3: Cross multiply
    100,577.55x = 150,828.96 × 29,481.93
  4. Step 4: Simplify right side
    100,577.55x = 4,446,728,840.69
  5. Step 5: Solve for x
    x = 4,446,728,840.69/100,577.55
  6. Step 6: Final answer
    x = 44,211.94

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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.