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Finding the Fourth Proportional to 73,267.20, 109,886.40 and 24,019.20

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Solution

The fourth proportional to 73,267.20, 109,886.40 and 24,019.20 is: 36,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,267.20 : 109,886.40 = 24,019.20 : x
  2. Step 2: Convert to fraction form
    73,267.20/109,886.40 = 24,019.20/x
  3. Step 3: Cross multiply
    73,267.20x = 109,886.40 × 24,019.20
  4. Step 4: Simplify right side
    73,267.20x = 2,639,383,418.88
  5. Step 5: Solve for x
    x = 2,639,383,418.88/73,267.20
  6. Step 6: Final answer
    x = 36,024.08

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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.