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Finding the Fourth Proportional to 179,785.44, 269,798.54 and 74,604.51

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Solution

The fourth proportional to 179,785.44, 269,798.54 and 74,604.51 is: 111,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,785.44 : 269,798.54 = 74,604.51 : x
  2. Step 2: Convert to fraction form
    179,785.44/269,798.54 = 74,604.51/x
  3. Step 3: Cross multiply
    179,785.44x = 269,798.54 × 74,604.51
  4. Step 4: Simplify right side
    179,785.44x = 20,128,187,875.42
  5. Step 5: Solve for x
    x = 20,128,187,875.42/179,785.44
  6. Step 6: Final answer
    x = 111,956.72

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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.