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Finding the Fourth Proportional to 337,234.40, 505,851.60 and 87,916.40

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Solution

The fourth proportional to 337,234.40, 505,851.60 and 87,916.40 is: 131,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,234.40 : 505,851.60 = 87,916.40 : x
  2. Step 2: Convert to fraction form
    337,234.40/505,851.60 = 87,916.40/x
  3. Step 3: Cross multiply
    337,234.40x = 505,851.60 × 87,916.40
  4. Step 4: Simplify right side
    337,234.40x = 44,472,651,606.24
  5. Step 5: Solve for x
    x = 44,472,651,606.24/337,234.40
  6. Step 6: Final answer
    x = 131,874.60

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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.