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Finding the Fourth Proportional to 137,673.93, 206,510.90 and 48,930.93

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Solution

The fourth proportional to 137,673.93, 206,510.90 and 48,930.93 is: 73,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,673.93 : 206,510.90 = 48,930.93 : x
  2. Step 2: Convert to fraction form
    137,673.93/206,510.90 = 48,930.93/x
  3. Step 3: Cross multiply
    137,673.93x = 206,510.90 × 48,930.93
  4. Step 4: Simplify right side
    137,673.93x = 10,104,770,147.48
  5. Step 5: Solve for x
    x = 10,104,770,147.48/137,673.93
  6. Step 6: Final answer
    x = 73,396.40

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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.