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Finding the Fourth Proportional to 184,287.50, 254,324.94 and 103,720.25

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Solution

The fourth proportional to 184,287.50, 254,324.94 and 103,720.25 is: 143,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,287.50 : 254,324.94 = 103,720.25 : x
  2. Step 2: Convert to fraction form
    184,287.50/254,324.94 = 103,720.25/x
  3. Step 3: Cross multiply
    184,287.50x = 254,324.94 × 103,720.25
  4. Step 4: Simplify right side
    184,287.50x = 26,378,645,466.03
  5. Step 5: Solve for x
    x = 26,378,645,466.03/184,287.50
  6. Step 6: Final answer
    x = 143,138.55

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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.