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Finding the Fourth Proportional to 73,151.26, 100,949.16 and 39,617.26

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Solution

The fourth proportional to 73,151.26, 100,949.16 and 39,617.26 is: 54,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,151.26 : 100,949.16 = 39,617.26 : x
  2. Step 2: Convert to fraction form
    73,151.26/100,949.16 = 39,617.26/x
  3. Step 3: Cross multiply
    73,151.26x = 100,949.16 × 39,617.26
  4. Step 4: Simplify right side
    73,151.26x = 3,999,329,118.50
  5. Step 5: Solve for x
    x = 3,999,329,118.50/73,151.26
  6. Step 6: Final answer
    x = 54,672.05

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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.