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Finding the Fourth Proportional to 167,296.86, 250,994.43 and 67,405.64

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Solution

The fourth proportional to 167,296.86, 250,994.43 and 67,405.64 is: 101,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,296.86 : 250,994.43 = 67,405.64 : x
  2. Step 2: Convert to fraction form
    167,296.86/250,994.43 = 67,405.64/x
  3. Step 3: Cross multiply
    167,296.86x = 250,994.43 × 67,405.64
  4. Step 4: Simplify right side
    167,296.86x = 16,918,438,935.61
  5. Step 5: Solve for x
    x = 16,918,438,935.61/167,296.86
  6. Step 6: Final answer
    x = 101,128.25

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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.