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Finding the Fourth Proportional to 207,247.73, 286,012.37 and 122,362.97

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Solution

The fourth proportional to 207,247.73, 286,012.37 and 122,362.97 is: 168,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,247.73 : 286,012.37 = 122,362.97 : x
  2. Step 2: Convert to fraction form
    207,247.73/286,012.37 = 122,362.97/x
  3. Step 3: Cross multiply
    207,247.73x = 286,012.37 × 122,362.97
  4. Step 4: Simplify right side
    207,247.73x = 34,997,322,438.12
  5. Step 5: Solve for x
    x = 34,997,322,438.12/207,247.73
  6. Step 6: Final answer
    x = 168,867.10

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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.