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Finding the Fourth Proportional to 174,093.96, 260,791.02 and 90,813

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Solution

The fourth proportional to 174,093.96, 260,791.02 and 90,813 is: 136,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,093.96 : 260,791.02 = 90,813 : x
  2. Step 2: Convert to fraction form
    174,093.96/260,791.02 = 90,813/x
  3. Step 3: Cross multiply
    174,093.96x = 260,791.02 × 90,813
  4. Step 4: Simplify right side
    174,093.96x = 23,683,214,899.26
  5. Step 5: Solve for x
    x = 23,683,214,899.26/174,093.96
  6. Step 6: Final answer
    x = 136,036.97

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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.