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Finding the Fourth Proportional to 60,219.30, 90,156.15 and 36,891.30

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Solution

The fourth proportional to 60,219.30, 90,156.15 and 36,891.30 is: 55,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,219.30 : 90,156.15 = 36,891.30 : x
  2. Step 2: Convert to fraction form
    60,219.30/90,156.15 = 36,891.30/x
  3. Step 3: Cross multiply
    60,219.30x = 90,156.15 × 36,891.30
  4. Step 4: Simplify right side
    60,219.30x = 3,325,977,576.50
  5. Step 5: Solve for x
    x = 3,325,977,576.50/60,219.30
  6. Step 6: Final answer
    x = 55,231.09

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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.