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Finding the Fourth Proportional to 67,671.81, 101,507.26 and 52,893.16

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Solution

The fourth proportional to 67,671.81, 101,507.26 and 52,893.16 is: 79,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,671.81 : 101,507.26 = 52,893.16 : x
  2. Step 2: Convert to fraction form
    67,671.81/101,507.26 = 52,893.16/x
  3. Step 3: Cross multiply
    67,671.81x = 101,507.26 × 52,893.16
  4. Step 4: Simplify right side
    67,671.81x = 5,369,039,231.46
  5. Step 5: Solve for x
    x = 5,369,039,231.46/67,671.81
  6. Step 6: Final answer
    x = 79,339.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.