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Finding the Fourth Proportional to 206,879.06, 310,342.89 and 73,778.24

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Solution

The fourth proportional to 206,879.06, 310,342.89 and 73,778.24 is: 110,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,879.06 : 310,342.89 = 73,778.24 : x
  2. Step 2: Convert to fraction form
    206,879.06/310,342.89 = 73,778.24/x
  3. Step 3: Cross multiply
    206,879.06x = 310,342.89 × 73,778.24
  4. Step 4: Simplify right side
    206,879.06x = 22,896,552,220.71
  5. Step 5: Solve for x
    x = 22,896,552,220.71/206,879.06
  6. Step 6: Final answer
    x = 110,676.03

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1.5x scale

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.