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Finding the Fourth Proportional to 285,157.44, 427,753.44 and 166,737.60

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Solution

The fourth proportional to 285,157.44, 427,753.44 and 166,737.60 is: 250,116.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,157.44 : 427,753.44 = 166,737.60 : x
  2. Step 2: Convert to fraction form
    285,157.44/427,753.44 = 166,737.60/x
  3. Step 3: Cross multiply
    285,157.44x = 427,753.44 × 166,737.60
  4. Step 4: Simplify right side
    285,157.44x = 71,322,581,977.34
  5. Step 5: Solve for x
    x = 71,322,581,977.34/285,157.44
  6. Step 6: Final answer
    x = 250,116.50

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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.