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Finding the Fourth Proportional to 101,235, 151,860.06 and 38,906.04

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Solution

The fourth proportional to 101,235, 151,860.06 and 38,906.04 is: 58,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,235 : 151,860.06 = 38,906.04 : x
  2. Step 2: Convert to fraction form
    101,235/151,860.06 = 38,906.04/x
  3. Step 3: Cross multiply
    101,235x = 151,860.06 × 38,906.04
  4. Step 4: Simplify right side
    101,235x = 5,908,273,568.76
  5. Step 5: Solve for x
    x = 5,908,273,568.76/101,235
  6. Step 6: Final answer
    x = 58,361.97

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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.