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Finding the Fourth Proportional to 73,255.20, 109,868.40 and 24,007.20

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Solution

The fourth proportional to 73,255.20, 109,868.40 and 24,007.20 is: 36,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,255.20 : 109,868.40 = 24,007.20 : x
  2. Step 2: Convert to fraction form
    73,255.20/109,868.40 = 24,007.20/x
  3. Step 3: Cross multiply
    73,255.20x = 109,868.40 × 24,007.20
  4. Step 4: Simplify right side
    73,255.20x = 2,637,632,652.48
  5. Step 5: Solve for x
    x = 2,637,632,652.48/73,255.20
  6. Step 6: Final answer
    x = 36,006.08

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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.