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Finding the Fourth Proportional to 161,647.94, 223,074.01 and 93,704.26

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Solution

The fourth proportional to 161,647.94, 223,074.01 and 93,704.26 is: 129,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,647.94 : 223,074.01 = 93,704.26 : x
  2. Step 2: Convert to fraction form
    161,647.94/223,074.01 = 93,704.26/x
  3. Step 3: Cross multiply
    161,647.94x = 223,074.01 × 93,704.26
  4. Step 4: Simplify right side
    161,647.94x = 20,902,985,032.28
  5. Step 5: Solve for x
    x = 20,902,985,032.28/161,647.94
  6. Step 6: Final answer
    x = 129,311.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.