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Finding the Fourth Proportional to 184,239.73, 254,265.78 and 103,662.55

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Solution

The fourth proportional to 184,239.73, 254,265.78 and 103,662.55 is: 143,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,239.73 : 254,265.78 = 103,662.55 : x
  2. Step 2: Convert to fraction form
    184,239.73/254,265.78 = 103,662.55/x
  3. Step 3: Cross multiply
    184,239.73x = 254,265.78 × 103,662.55
  4. Step 4: Simplify right side
    184,239.73x = 26,357,839,132.54
  5. Step 5: Solve for x
    x = 26,357,839,132.54/184,239.73
  6. Step 6: Final answer
    x = 143,062.73

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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.