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Finding the Fourth Proportional to 67,483.74, 101,226.81 and 20,737.02

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Solution

The fourth proportional to 67,483.74, 101,226.81 and 20,737.02 is: 31,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,483.74 : 101,226.81 = 20,737.02 : x
  2. Step 2: Convert to fraction form
    67,483.74/101,226.81 = 20,737.02/x
  3. Step 3: Cross multiply
    67,483.74x = 101,226.81 × 20,737.02
  4. Step 4: Simplify right side
    67,483.74x = 2,099,142,383.51
  5. Step 5: Solve for x
    x = 2,099,142,383.51/67,483.74
  6. Step 6: Final answer
    x = 31,105.90

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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.