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Finding the Fourth Proportional to 73,671.42, 101,667.24 and 40,137.42

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Solution

The fourth proportional to 73,671.42, 101,667.24 and 40,137.42 is: 55,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,671.42 : 101,667.24 = 40,137.42 : x
  2. Step 2: Convert to fraction form
    73,671.42/101,667.24 = 40,137.42/x
  3. Step 3: Cross multiply
    73,671.42x = 101,667.24 × 40,137.42
  4. Step 4: Simplify right side
    73,671.42x = 4,080,660,712.12
  5. Step 5: Solve for x
    x = 4,080,660,712.12/73,671.42
  6. Step 6: Final answer
    x = 55,390.01

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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.