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Finding the Fourth Proportional to 185,633.66, 277,979.46 and 155,568.84

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Solution

The fourth proportional to 185,633.66, 277,979.46 and 155,568.84 is: 232,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,633.66 : 277,979.46 = 155,568.84 : x
  2. Step 2: Convert to fraction form
    185,633.66/277,979.46 = 155,568.84/x
  3. Step 3: Cross multiply
    185,633.66x = 277,979.46 × 155,568.84
  4. Step 4: Simplify right side
    185,633.66x = 43,244,942,136.03
  5. Step 5: Solve for x
    x = 43,244,942,136.03/185,633.66
  6. Step 6: Final answer
    x = 232,958.52

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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.