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Finding the Fourth Proportional to 48,176.20, 72,264.30 and 48,176.20

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Solution

The fourth proportional to 48,176.20, 72,264.30 and 48,176.20 is: 72,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,176.20 : 72,264.30 = 48,176.20 : x
  2. Step 2: Convert to fraction form
    48,176.20/72,264.30 = 48,176.20/x
  3. Step 3: Cross multiply
    48,176.20x = 72,264.30 × 48,176.20
  4. Step 4: Simplify right side
    48,176.20x = 3,481,419,369.66
  5. Step 5: Solve for x
    x = 3,481,419,369.66/48,176.20
  6. Step 6: Final answer
    x = 72,264.30

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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.