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Finding the Fourth Proportional to 202,601.02, 279,606.24 and 111,974.68

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Solution

The fourth proportional to 202,601.02, 279,606.24 and 111,974.68 is: 154,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,601.02 : 279,606.24 = 111,974.68 : x
  2. Step 2: Convert to fraction form
    202,601.02/279,606.24 = 111,974.68/x
  3. Step 3: Cross multiply
    202,601.02x = 279,606.24 × 111,974.68
  4. Step 4: Simplify right side
    202,601.02x = 31,308,818,550.99
  5. Step 5: Solve for x
    x = 31,308,818,550.99/202,601.02
  6. Step 6: Final answer
    x = 154,534.36

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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.