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Finding the Fourth Proportional to 207,246.31, 285,999.92 and 117,822.31

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Solution

The fourth proportional to 207,246.31, 285,999.92 and 117,822.31 is: 162,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,246.31 : 285,999.92 = 117,822.31 : x
  2. Step 2: Convert to fraction form
    207,246.31/285,999.92 = 117,822.31/x
  3. Step 3: Cross multiply
    207,246.31x = 285,999.92 × 117,822.31
  4. Step 4: Simplify right side
    207,246.31x = 33,697,171,234.22
  5. Step 5: Solve for x
    x = 33,697,171,234.22/207,246.31
  6. Step 6: Final answer
    x = 162,594.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.