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Finding the Fourth Proportional to 67,903.60, 101,855.04 and 36,935.68

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Solution

The fourth proportional to 67,903.60, 101,855.04 and 36,935.68 is: 55,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,903.60 : 101,855.04 = 36,935.68 : x
  2. Step 2: Convert to fraction form
    67,903.60/101,855.04 = 36,935.68/x
  3. Step 3: Cross multiply
    67,903.60x = 101,855.04 × 36,935.68
  4. Step 4: Simplify right side
    67,903.60x = 3,762,085,163.83
  5. Step 5: Solve for x
    x = 3,762,085,163.83/67,903.60
  6. Step 6: Final answer
    x = 55,403.32

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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.