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Finding the Fourth Proportional to 137,589.08, 206,404.14 and 48,835.16

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Solution

The fourth proportional to 137,589.08, 206,404.14 and 48,835.16 is: 73,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,589.08 : 206,404.14 = 48,835.16 : x
  2. Step 2: Convert to fraction form
    137,589.08/206,404.14 = 48,835.16/x
  3. Step 3: Cross multiply
    137,589.08x = 206,404.14 × 48,835.16
  4. Step 4: Simplify right side
    137,589.08x = 10,079,779,201.56
  5. Step 5: Solve for x
    x = 10,079,779,201.56/137,589.08
  6. Step 6: Final answer
    x = 73,260.02

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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.