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Finding the Fourth Proportional to 73,150.24, 100,947.52 and 39,616.24

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Solution

The fourth proportional to 73,150.24, 100,947.52 and 39,616.24 is: 54,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,150.24 : 100,947.52 = 39,616.24 : x
  2. Step 2: Convert to fraction form
    73,150.24/100,947.52 = 39,616.24/x
  3. Step 3: Cross multiply
    73,150.24x = 100,947.52 × 39,616.24
  4. Step 4: Simplify right side
    73,150.24x = 3,999,161,179.72
  5. Step 5: Solve for x
    x = 3,999,161,179.72/73,150.24
  6. Step 6: Final answer
    x = 54,670.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.