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Finding the Fourth Proportional to 201,951.77, 278,689.73 and 110,071.85

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Solution

The fourth proportional to 201,951.77, 278,689.73 and 110,071.85 is: 151,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,951.77 : 278,689.73 = 110,071.85 : x
  2. Step 2: Convert to fraction form
    201,951.77/278,689.73 = 110,071.85/x
  3. Step 3: Cross multiply
    201,951.77x = 278,689.73 × 110,071.85
  4. Step 4: Simplify right side
    201,951.77x = 30,675,892,213.29
  5. Step 5: Solve for x
    x = 30,675,892,213.29/201,951.77
  6. Step 6: Final answer
    x = 151,897.12

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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.