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Finding the Fourth Proportional to 173,158.20, 259,737.30 and 162,660.60

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Solution

The fourth proportional to 173,158.20, 259,737.30 and 162,660.60 is: 243,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,158.20 : 259,737.30 = 162,660.60 : x
  2. Step 2: Convert to fraction form
    173,158.20/259,737.30 = 162,660.60/x
  3. Step 3: Cross multiply
    173,158.20x = 259,737.30 × 162,660.60
  4. Step 4: Simplify right side
    173,158.20x = 42,249,025,060.38
  5. Step 5: Solve for x
    x = 42,249,025,060.38/173,158.20
  6. Step 6: Final answer
    x = 243,990.90

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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.