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Finding the Fourth Proportional to 93,401.20, 140,101.80 and 23,280.52

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Solution

The fourth proportional to 93,401.20, 140,101.80 and 23,280.52 is: 34,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,401.20 : 140,101.80 = 23,280.52 : x
  2. Step 2: Convert to fraction form
    93,401.20/140,101.80 = 23,280.52/x
  3. Step 3: Cross multiply
    93,401.20x = 140,101.80 × 23,280.52
  4. Step 4: Simplify right side
    93,401.20x = 3,261,642,756.94
  5. Step 5: Solve for x
    x = 3,261,642,756.94/93,401.20
  6. Step 6: Final answer
    x = 34,920.78

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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.