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Finding the Fourth Proportional to 101,317.50, 151,976.25 and 27,445.50

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Solution

The fourth proportional to 101,317.50, 151,976.25 and 27,445.50 is: 41,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,317.50 : 151,976.25 = 27,445.50 : x
  2. Step 2: Convert to fraction form
    101,317.50/151,976.25 = 27,445.50/x
  3. Step 3: Cross multiply
    101,317.50x = 151,976.25 × 27,445.50
  4. Step 4: Simplify right side
    101,317.50x = 4,171,064,169.38
  5. Step 5: Solve for x
    x = 4,171,064,169.38/101,317.50
  6. Step 6: Final answer
    x = 41,168.25

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1.5x scale

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.