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Finding the Fourth Proportional to 94,223.50, 141,400.05 and 38,819.50

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Solution

The fourth proportional to 94,223.50, 141,400.05 and 38,819.50 is: 58,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,223.50 : 141,400.05 = 38,819.50 : x
  2. Step 2: Convert to fraction form
    94,223.50/141,400.05 = 38,819.50/x
  3. Step 3: Cross multiply
    94,223.50x = 141,400.05 × 38,819.50
  4. Step 4: Simplify right side
    94,223.50x = 5,489,079,240.98
  5. Step 5: Solve for x
    x = 5,489,079,240.98/94,223.50
  6. Step 6: Final answer
    x = 58,255.95

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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.