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Finding the Fourth Proportional to 231,874.10, 347,608.65 and 89,816.30

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Solution

The fourth proportional to 231,874.10, 347,608.65 and 89,816.30 is: 134,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,874.10 : 347,608.65 = 89,816.30 : x
  2. Step 2: Convert to fraction form
    231,874.10/347,608.65 = 89,816.30/x
  3. Step 3: Cross multiply
    231,874.10x = 347,608.65 × 89,816.30
  4. Step 4: Simplify right side
    231,874.10x = 31,220,922,791.00
  5. Step 5: Solve for x
    x = 31,220,922,791.00/231,874.10
  6. Step 6: Final answer
    x = 134,646.01

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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.