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Finding the Fourth Proportional to 90,454, 135,687.52 and 23,893.27

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Solution

The fourth proportional to 90,454, 135,687.52 and 23,893.27 is: 35,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,454 : 135,687.52 = 23,893.27 : x
  2. Step 2: Convert to fraction form
    90,454/135,687.52 = 23,893.27/x
  3. Step 3: Cross multiply
    90,454x = 135,687.52 × 23,893.27
  4. Step 4: Simplify right side
    90,454x = 3,242,018,550.99
  5. Step 5: Solve for x
    x = 3,242,018,550.99/90,454
  6. Step 6: Final answer
    x = 35,841.63

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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.