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Finding the Fourth Proportional to 73,507.91, 101,440.45 and 40,801.96

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Solution

The fourth proportional to 73,507.91, 101,440.45 and 40,801.96 is: 56,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,507.91 : 101,440.45 = 40,801.96 : x
  2. Step 2: Convert to fraction form
    73,507.91/101,440.45 = 40,801.96/x
  3. Step 3: Cross multiply
    73,507.91x = 101,440.45 × 40,801.96
  4. Step 4: Simplify right side
    73,507.91x = 4,138,969,361.09
  5. Step 5: Solve for x
    x = 4,138,969,361.09/73,507.91
  6. Step 6: Final answer
    x = 56,306.45

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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.