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Finding the Fourth Proportional to 101,305.32, 151,940.06 and 27,439.08

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Solution

The fourth proportional to 101,305.32, 151,940.06 and 27,439.08 is: 41,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,305.32 : 151,940.06 = 27,439.08 : x
  2. Step 2: Convert to fraction form
    101,305.32/151,940.06 = 27,439.08/x
  3. Step 3: Cross multiply
    101,305.32x = 151,940.06 × 27,439.08
  4. Step 4: Simplify right side
    101,305.32x = 4,169,095,461.54
  5. Step 5: Solve for x
    x = 4,169,095,461.54/101,305.32
  6. Step 6: Final answer
    x = 41,153.77

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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.