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Finding the Fourth Proportional to 181,908.32, 273,033.12 and 111,924.32

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Solution

The fourth proportional to 181,908.32, 273,033.12 and 111,924.32 is: 167,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,908.32 : 273,033.12 = 111,924.32 : x
  2. Step 2: Convert to fraction form
    181,908.32/273,033.12 = 111,924.32/x
  3. Step 3: Cross multiply
    181,908.32x = 273,033.12 × 111,924.32
  4. Step 4: Simplify right side
    181,908.32x = 30,559,046,293.48
  5. Step 5: Solve for x
    x = 30,559,046,293.48/181,908.32
  6. Step 6: Final answer
    x = 167,991.47

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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.