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Finding the Fourth Proportional to 111,586.74, 167,237.74 and 52,291.77

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Solution

The fourth proportional to 111,586.74, 167,237.74 and 52,291.77 is: 78,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,586.74 : 167,237.74 = 52,291.77 : x
  2. Step 2: Convert to fraction form
    111,586.74/167,237.74 = 52,291.77/x
  3. Step 3: Cross multiply
    111,586.74x = 167,237.74 × 52,291.77
  4. Step 4: Simplify right side
    111,586.74x = 8,745,157,435.40
  5. Step 5: Solve for x
    x = 8,745,157,435.40/111,586.74
  6. Step 6: Final answer
    x = 78,370.94

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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.