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Finding the Fourth Proportional to 73,755.18, 110,625.46 and 29,370

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Solution

The fourth proportional to 73,755.18, 110,625.46 and 29,370 is: 44,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,755.18 : 110,625.46 = 29,370 : x
  2. Step 2: Convert to fraction form
    73,755.18/110,625.46 = 29,370/x
  3. Step 3: Cross multiply
    73,755.18x = 110,625.46 × 29,370
  4. Step 4: Simplify right side
    73,755.18x = 3,249,069,760.20
  5. Step 5: Solve for x
    x = 3,249,069,760.20/73,755.18
  6. Step 6: Final answer
    x = 44,052.09

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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.