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Finding the Fourth Proportional to 73,796.70, 101,840.58 and 40,262.70

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Solution

The fourth proportional to 73,796.70, 101,840.58 and 40,262.70 is: 55,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,796.70 : 101,840.58 = 40,262.70 : x
  2. Step 2: Convert to fraction form
    73,796.70/101,840.58 = 40,262.70/x
  3. Step 3: Cross multiply
    73,796.70x = 101,840.58 × 40,262.70
  4. Step 4: Simplify right side
    73,796.70x = 4,100,376,720.37
  5. Step 5: Solve for x
    x = 4,100,376,720.37/73,796.70
  6. Step 6: Final answer
    x = 55,563.14

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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.