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Finding the Fourth Proportional to 197,158.20, 295,737.30 and 163,915.80

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Solution

The fourth proportional to 197,158.20, 295,737.30 and 163,915.80 is: 245,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,158.20 : 295,737.30 = 163,915.80 : x
  2. Step 2: Convert to fraction form
    197,158.20/295,737.30 = 163,915.80/x
  3. Step 3: Cross multiply
    197,158.20x = 295,737.30 × 163,915.80
  4. Step 4: Simplify right side
    197,158.20x = 48,476,016,119.34
  5. Step 5: Solve for x
    x = 48,476,016,119.34/197,158.20
  6. Step 6: Final answer
    x = 245,873.70

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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.