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Finding the Fourth Proportional to 161,244.90, 241,801.74 and 72,474.57

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Solution

The fourth proportional to 161,244.90, 241,801.74 and 72,474.57 is: 108,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,244.90 : 241,801.74 = 72,474.57 : x
  2. Step 2: Convert to fraction form
    161,244.90/241,801.74 = 72,474.57/x
  3. Step 3: Cross multiply
    161,244.90x = 241,801.74 × 72,474.57
  4. Step 4: Simplify right side
    161,244.90x = 17,524,477,131.75
  5. Step 5: Solve for x
    x = 17,524,477,131.75/161,244.90
  6. Step 6: Final answer
    x = 108,682.37

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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.