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Finding the Fourth Proportional to 304,177.30, 455,943.39 and 117,107.86

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Solution

The fourth proportional to 304,177.30, 455,943.39 and 117,107.86 is: 175,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,177.30 : 455,943.39 = 117,107.86 : x
  2. Step 2: Convert to fraction form
    304,177.30/455,943.39 = 117,107.86/x
  3. Step 3: Cross multiply
    304,177.30x = 455,943.39 × 117,107.86
  4. Step 4: Simplify right side
    304,177.30x = 53,394,554,684.05
  5. Step 5: Solve for x
    x = 53,394,554,684.05/304,177.30
  6. Step 6: Final answer
    x = 175,537.60

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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.