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Finding the Fourth Proportional to 101,273.50, 151,928.71 and 34,720.36

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Solution

The fourth proportional to 101,273.50, 151,928.71 and 34,720.36 is: 52,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,273.50 : 151,928.71 = 34,720.36 : x
  2. Step 2: Convert to fraction form
    101,273.50/151,928.71 = 34,720.36/x
  3. Step 3: Cross multiply
    101,273.50x = 151,928.71 × 34,720.36
  4. Step 4: Simplify right side
    101,273.50x = 5,275,019,038.91
  5. Step 5: Solve for x
    x = 5,275,019,038.91/101,273.50
  6. Step 6: Final answer
    x = 52,086.86

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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.