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Finding the Fourth Proportional to 341,834.96, 512,820.48 and 105,168.62

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Solution

The fourth proportional to 341,834.96, 512,820.48 and 105,168.62 is: 157,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,834.96 : 512,820.48 = 105,168.62 : x
  2. Step 2: Convert to fraction form
    341,834.96/512,820.48 = 105,168.62/x
  3. Step 3: Cross multiply
    341,834.96x = 512,820.48 × 105,168.62
  4. Step 4: Simplify right side
    341,834.96x = 53,932,622,189.34
  5. Step 5: Solve for x
    x = 53,932,622,189.34/341,834.96
  6. Step 6: Final answer
    x = 157,773.86

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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.