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Finding the Fourth Proportional to 178,219.20, 267,328.80 and 53,560.20

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Solution

The fourth proportional to 178,219.20, 267,328.80 and 53,560.20 is: 80,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,219.20 : 267,328.80 = 53,560.20 : x
  2. Step 2: Convert to fraction form
    178,219.20/267,328.80 = 53,560.20/x
  3. Step 3: Cross multiply
    178,219.20x = 267,328.80 × 53,560.20
  4. Step 4: Simplify right side
    178,219.20x = 14,318,183,993.76
  5. Step 5: Solve for x
    x = 14,318,183,993.76/178,219.20
  6. Step 6: Final answer
    x = 80,340.30

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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.