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Finding the Fourth Proportional to 167,406.96, 251,109 and 67,565.60

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Solution

The fourth proportional to 167,406.96, 251,109 and 67,565.60 is: 101,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,406.96 : 251,109 = 67,565.60 : x
  2. Step 2: Convert to fraction form
    167,406.96/251,109 = 67,565.60/x
  3. Step 3: Cross multiply
    167,406.96x = 251,109 × 67,565.60
  4. Step 4: Simplify right side
    167,406.96x = 16,966,330,250.40
  5. Step 5: Solve for x
    x = 16,966,330,250.40/167,406.96
  6. Step 6: Final answer
    x = 101,347.82

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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.