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Finding the Fourth Proportional to 202,574.04, 279,546.30 and 111,928.56

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Solution

The fourth proportional to 202,574.04, 279,546.30 and 111,928.56 is: 154,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,574.04 : 279,546.30 = 111,928.56 : x
  2. Step 2: Convert to fraction form
    202,574.04/279,546.30 = 111,928.56/x
  3. Step 3: Cross multiply
    202,574.04x = 279,546.30 × 111,928.56
  4. Step 4: Simplify right side
    202,574.04x = 31,289,214,812.33
  5. Step 5: Solve for x
    x = 31,289,214,812.33/202,574.04
  6. Step 6: Final answer
    x = 154,458.17

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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.