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Finding the Fourth Proportional to 73,736.80, 101,752.40 and 41,901.28

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Solution

The fourth proportional to 73,736.80, 101,752.40 and 41,901.28 is: 57,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,736.80 : 101,752.40 = 41,901.28 : x
  2. Step 2: Convert to fraction form
    73,736.80/101,752.40 = 41,901.28/x
  3. Step 3: Cross multiply
    73,736.80x = 101,752.40 × 41,901.28
  4. Step 4: Simplify right side
    73,736.80x = 4,263,555,803.07
  5. Step 5: Solve for x
    x = 4,263,555,803.07/73,736.80
  6. Step 6: Final answer
    x = 57,821.28

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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.