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Finding the Fourth Proportional to 137,641.92, 206,323.44 and 93,273.15

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Solution

The fourth proportional to 137,641.92, 206,323.44 and 93,273.15 is: 139,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,641.92 : 206,323.44 = 93,273.15 : x
  2. Step 2: Convert to fraction form
    137,641.92/206,323.44 = 93,273.15/x
  3. Step 3: Cross multiply
    137,641.92x = 206,323.44 × 93,273.15
  4. Step 4: Simplify right side
    137,641.92x = 19,244,437,167.64
  5. Step 5: Solve for x
    x = 19,244,437,167.64/137,641.92
  6. Step 6: Final answer
    x = 139,815.23

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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.