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Finding the Fourth Proportional to 335,791.84, 503,739.60 and 114,124

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Solution

The fourth proportional to 335,791.84, 503,739.60 and 114,124 is: 171,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,791.84 : 503,739.60 = 114,124 : x
  2. Step 2: Convert to fraction form
    335,791.84/503,739.60 = 114,124/x
  3. Step 3: Cross multiply
    335,791.84x = 503,739.60 × 114,124
  4. Step 4: Simplify right side
    335,791.84x = 57,488,778,110.40
  5. Step 5: Solve for x
    x = 57,488,778,110.40/335,791.84
  6. Step 6: Final answer
    x = 171,203.62

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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.