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Finding the Fourth Proportional to 58,951.20, 88,297.20 and 51,175.20

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Solution

The fourth proportional to 58,951.20, 88,297.20 and 51,175.20 is: 76,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,951.20 : 88,297.20 = 51,175.20 : x
  2. Step 2: Convert to fraction form
    58,951.20/88,297.20 = 51,175.20/x
  3. Step 3: Cross multiply
    58,951.20x = 88,297.20 × 51,175.20
  4. Step 4: Simplify right side
    58,951.20x = 4,518,626,869.44
  5. Step 5: Solve for x
    x = 4,518,626,869.44/58,951.20
  6. Step 6: Final answer
    x = 76,650.29

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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.