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Finding the Fourth Proportional to 175,504.70, 262,489.05 and 156,919.10

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Solution

The fourth proportional to 175,504.70, 262,489.05 and 156,919.10 is: 234,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,504.70 : 262,489.05 = 156,919.10 : x
  2. Step 2: Convert to fraction form
    175,504.70/262,489.05 = 156,919.10/x
  3. Step 3: Cross multiply
    175,504.70x = 262,489.05 × 156,919.10
  4. Step 4: Simplify right side
    175,504.70x = 41,189,545,485.86
  5. Step 5: Solve for x
    x = 41,189,545,485.86/175,504.70
  6. Step 6: Final answer
    x = 234,691.98

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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.