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Finding the Fourth Proportional to 113,524.50, 156,668.67 and 63,223.50

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Solution

The fourth proportional to 113,524.50, 156,668.67 and 63,223.50 is: 87,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,524.50 : 156,668.67 = 63,223.50 : x
  2. Step 2: Convert to fraction form
    113,524.50/156,668.67 = 63,223.50/x
  3. Step 3: Cross multiply
    113,524.50x = 156,668.67 × 63,223.50
  4. Step 4: Simplify right side
    113,524.50x = 9,905,141,657.75
  5. Step 5: Solve for x
    x = 9,905,141,657.75/113,524.50
  6. Step 6: Final answer
    x = 87,251.14

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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.