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Finding the Fourth Proportional to 73,755.20, 101,791.32 and 45,068.96

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Solution

The fourth proportional to 73,755.20, 101,791.32 and 45,068.96 is: 62,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,755.20 : 101,791.32 = 45,068.96 : x
  2. Step 2: Convert to fraction form
    73,755.20/101,791.32 = 45,068.96/x
  3. Step 3: Cross multiply
    73,755.20x = 101,791.32 × 45,068.96
  4. Step 4: Simplify right side
    73,755.20x = 4,587,628,929.43
  5. Step 5: Solve for x
    x = 4,587,628,929.43/73,755.20
  6. Step 6: Final answer
    x = 62,200.75

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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.