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Finding the Fourth Proportional to 184,242.31, 254,251.44 and 103,669.79

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Solution

The fourth proportional to 184,242.31, 254,251.44 and 103,669.79 is: 143,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,242.31 : 254,251.44 = 103,669.79 : x
  2. Step 2: Convert to fraction form
    184,242.31/254,251.44 = 103,669.79/x
  3. Step 3: Cross multiply
    184,242.31x = 254,251.44 × 103,669.79
  4. Step 4: Simplify right side
    184,242.31x = 26,358,192,120.74
  5. Step 5: Solve for x
    x = 26,358,192,120.74/184,242.31
  6. Step 6: Final answer
    x = 143,062.65

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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.