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Finding the Fourth Proportional to 73,671.11, 101,678.32 and 43,463.81

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Solution

The fourth proportional to 73,671.11, 101,678.32 and 43,463.81 is: 59,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,671.11 : 101,678.32 = 43,463.81 : x
  2. Step 2: Convert to fraction form
    73,671.11/101,678.32 = 43,463.81/x
  3. Step 3: Cross multiply
    73,671.11x = 101,678.32 × 43,463.81
  4. Step 4: Simplify right side
    73,671.11x = 4,419,327,181.60
  5. Step 5: Solve for x
    x = 4,419,327,181.60/73,671.11
  6. Step 6: Final answer
    x = 59,987.25

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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.