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Finding the Fourth Proportional to 73,318.68, 109,977.84 and 17,914.68

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Solution

The fourth proportional to 73,318.68, 109,977.84 and 17,914.68 is: 26,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,318.68 : 109,977.84 = 17,914.68 : x
  2. Step 2: Convert to fraction form
    73,318.68/109,977.84 = 17,914.68/x
  3. Step 3: Cross multiply
    73,318.68x = 109,977.84 × 17,914.68
  4. Step 4: Simplify right side
    73,318.68x = 1,970,217,810.69
  5. Step 5: Solve for x
    x = 1,970,217,810.69/73,318.68
  6. Step 6: Final answer
    x = 26,871.98

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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.