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Finding the Fourth Proportional to 60,005.20, 89,878.20 and 52,229.20

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Solution

The fourth proportional to 60,005.20, 89,878.20 and 52,229.20 is: 78,230.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,005.20 : 89,878.20 = 52,229.20 : x
  2. Step 2: Convert to fraction form
    60,005.20/89,878.20 = 52,229.20/x
  3. Step 3: Cross multiply
    60,005.20x = 89,878.20 × 52,229.20
  4. Step 4: Simplify right side
    60,005.20x = 4,694,266,483.44
  5. Step 5: Solve for x
    x = 4,694,266,483.44/60,005.20
  6. Step 6: Final answer
    x = 78,230.99

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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.