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Finding the Fourth Proportional to 103,600.78, 155,401.18 and 32,528.74

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Solution

The fourth proportional to 103,600.78, 155,401.18 and 32,528.74 is: 48,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,600.78 : 155,401.18 = 32,528.74 : x
  2. Step 2: Convert to fraction form
    103,600.78/155,401.18 = 32,528.74/x
  3. Step 3: Cross multiply
    103,600.78x = 155,401.18 × 32,528.74
  4. Step 4: Simplify right side
    103,600.78x = 5,055,004,579.91
  5. Step 5: Solve for x
    x = 5,055,004,579.91/103,600.78
  6. Step 6: Final answer
    x = 48,793.11

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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.