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Finding the Fourth Proportional to 201,405.04, 277,940.74 and 109,524.64

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Solution

The fourth proportional to 201,405.04, 277,940.74 and 109,524.64 is: 151,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,405.04 : 277,940.74 = 109,524.64 : x
  2. Step 2: Convert to fraction form
    201,405.04/277,940.74 = 109,524.64/x
  3. Step 3: Cross multiply
    201,405.04x = 277,940.74 × 109,524.64
  4. Step 4: Simplify right side
    201,405.04x = 30,441,359,489.83
  5. Step 5: Solve for x
    x = 30,441,359,489.83/201,405.04
  6. Step 6: Final answer
    x = 151,144.97

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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.