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Finding the Fourth Proportional to 201,310.38, 277,811.86 and 110,670.16

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Solution

The fourth proportional to 201,310.38, 277,811.86 and 110,670.16 is: 152,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,310.38 : 277,811.86 = 110,670.16 : x
  2. Step 2: Convert to fraction form
    201,310.38/277,811.86 = 110,670.16/x
  3. Step 3: Cross multiply
    201,310.38x = 277,811.86 × 110,670.16
  4. Step 4: Simplify right side
    201,310.38x = 30,745,482,996.10
  5. Step 5: Solve for x
    x = 30,745,482,996.10/201,310.38
  6. Step 6: Final answer
    x = 152,726.76

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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.