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Finding the Fourth Proportional to 73,265.52, 109,907.18 and 20,675.01

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Solution

The fourth proportional to 73,265.52, 109,907.18 and 20,675.01 is: 31,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,265.52 : 109,907.18 = 20,675.01 : x
  2. Step 2: Convert to fraction form
    73,265.52/109,907.18 = 20,675.01/x
  3. Step 3: Cross multiply
    73,265.52x = 109,907.18 × 20,675.01
  4. Step 4: Simplify right side
    73,265.52x = 2,272,332,045.57
  5. Step 5: Solve for x
    x = 2,272,332,045.57/73,265.52
  6. Step 6: Final answer
    x = 31,015.03

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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.