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Finding the Fourth Proportional to 201,405.38, 277,933.88 and 110,761.34

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Solution

The fourth proportional to 201,405.38, 277,933.88 and 110,761.34 is: 152,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,405.38 : 277,933.88 = 110,761.34 : x
  2. Step 2: Convert to fraction form
    201,405.38/277,933.88 = 110,761.34/x
  3. Step 3: Cross multiply
    201,405.38x = 277,933.88 × 110,761.34
  4. Step 4: Simplify right side
    201,405.38x = 30,784,328,980.20
  5. Step 5: Solve for x
    x = 30,784,328,980.20/201,405.38
  6. Step 6: Final answer
    x = 152,847.60

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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.