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Finding the Fourth Proportional to 101,088, 151,625.76 and 30,961.92

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Solution

The fourth proportional to 101,088, 151,625.76 and 30,961.92 is: 46,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,088 : 151,625.76 = 30,961.92 : x
  2. Step 2: Convert to fraction form
    101,088/151,625.76 = 30,961.92/x
  3. Step 3: Cross multiply
    101,088x = 151,625.76 × 30,961.92
  4. Step 4: Simplify right side
    101,088x = 4,694,624,651.06
  5. Step 5: Solve for x
    x = 4,694,624,651.06/101,088
  6. Step 6: Final answer
    x = 46,440.97

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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.