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Finding the Fourth Proportional to 137,676.93, 206,515.40 and 48,933.93

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Solution

The fourth proportional to 137,676.93, 206,515.40 and 48,933.93 is: 73,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,676.93 : 206,515.40 = 48,933.93 : x
  2. Step 2: Convert to fraction form
    137,676.93/206,515.40 = 48,933.93/x
  3. Step 3: Cross multiply
    137,676.93x = 206,515.40 × 48,933.93
  4. Step 4: Simplify right side
    137,676.93x = 10,105,610,127.52
  5. Step 5: Solve for x
    x = 10,105,610,127.52/137,676.93
  6. Step 6: Final answer
    x = 73,400.90

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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.