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Finding the Fourth Proportional to 68,280.20, 102,525.90 and 37,176.20

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Solution

The fourth proportional to 68,280.20, 102,525.90 and 37,176.20 is: 55,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,280.20 : 102,525.90 = 37,176.20 : x
  2. Step 2: Convert to fraction form
    68,280.20/102,525.90 = 37,176.20/x
  3. Step 3: Cross multiply
    68,280.20x = 102,525.90 × 37,176.20
  4. Step 4: Simplify right side
    68,280.20x = 3,811,523,363.58
  5. Step 5: Solve for x
    x = 3,811,523,363.58/68,280.20
  6. Step 6: Final answer
    x = 55,821.80

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1.5x scale

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.