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Finding the Fourth Proportional to 114,294.78, 171,394.08 and 43,205.46

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Solution

The fourth proportional to 114,294.78, 171,394.08 and 43,205.46 is: 64,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,294.78 : 171,394.08 = 43,205.46 : x
  2. Step 2: Convert to fraction form
    114,294.78/171,394.08 = 43,205.46/x
  3. Step 3: Cross multiply
    114,294.78x = 171,394.08 × 43,205.46
  4. Step 4: Simplify right side
    114,294.78x = 7,405,160,067.68
  5. Step 5: Solve for x
    x = 7,405,160,067.68/114,294.78
  6. Step 6: Final answer
    x = 64,790.01

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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.