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Finding the Fourth Proportional to 167,885.28, 251,827.86 and 57,077.28

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Solution

The fourth proportional to 167,885.28, 251,827.86 and 57,077.28 is: 85,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,885.28 : 251,827.86 = 57,077.28 : x
  2. Step 2: Convert to fraction form
    167,885.28/251,827.86 = 57,077.28/x
  3. Step 3: Cross multiply
    167,885.28x = 251,827.86 × 57,077.28
  4. Step 4: Simplify right side
    167,885.28x = 14,373,649,277.02
  5. Step 5: Solve for x
    x = 14,373,649,277.02/167,885.28
  6. Step 6: Final answer
    x = 85,615.90

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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.