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Finding the Fourth Proportional to 191,778.71, 264,652.97 and 104,563.89

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Solution

The fourth proportional to 191,778.71, 264,652.97 and 104,563.89 is: 144,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,778.71 : 264,652.97 = 104,563.89 : x
  2. Step 2: Convert to fraction form
    191,778.71/264,652.97 = 104,563.89/x
  3. Step 3: Cross multiply
    191,778.71x = 264,652.97 × 104,563.89
  4. Step 4: Simplify right side
    191,778.71x = 27,673,143,364.27
  5. Step 5: Solve for x
    x = 27,673,143,364.27/191,778.71
  6. Step 6: Final answer
    x = 144,297.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.