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Finding the Fourth Proportional to 102,395.88, 153,149.94 and 60,175.44

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Solution

The fourth proportional to 102,395.88, 153,149.94 and 60,175.44 is: 90,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,395.88 : 153,149.94 = 60,175.44 : x
  2. Step 2: Convert to fraction form
    102,395.88/153,149.94 = 60,175.44/x
  3. Step 3: Cross multiply
    102,395.88x = 153,149.94 × 60,175.44
  4. Step 4: Simplify right side
    102,395.88x = 9,215,865,025.47
  5. Step 5: Solve for x
    x = 9,215,865,025.47/102,395.88
  6. Step 6: Final answer
    x = 90,002.30

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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.