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Finding the Fourth Proportional to 73,027.80, 109,368.90 and 73,027.80

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Solution

The fourth proportional to 73,027.80, 109,368.90 and 73,027.80 is: 109,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,027.80 : 109,368.90 = 73,027.80 : x
  2. Step 2: Convert to fraction form
    73,027.80/109,368.90 = 73,027.80/x
  3. Step 3: Cross multiply
    73,027.80x = 109,368.90 × 73,027.80
  4. Step 4: Simplify right side
    73,027.80x = 7,986,970,155.42
  5. Step 5: Solve for x
    x = 7,986,970,155.42/73,027.80
  6. Step 6: Final answer
    x = 109,368.90

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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.