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Finding the Fourth Proportional to 101,817.78, 152,690.07 and 35,239.86

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Solution

The fourth proportional to 101,817.78, 152,690.07 and 35,239.86 is: 52,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,817.78 : 152,690.07 = 35,239.86 : x
  2. Step 2: Convert to fraction form
    101,817.78/152,690.07 = 35,239.86/x
  3. Step 3: Cross multiply
    101,817.78x = 152,690.07 × 35,239.86
  4. Step 4: Simplify right side
    101,817.78x = 5,380,776,690.19
  5. Step 5: Solve for x
    x = 5,380,776,690.19/101,817.78
  6. Step 6: Final answer
    x = 52,847.12

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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.