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Finding the Fourth Proportional to 300,125.73, 450,097.81 and 157,892.59

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Solution

The fourth proportional to 300,125.73, 450,097.81 and 157,892.59 is: 236,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,125.73 : 450,097.81 = 157,892.59 : x
  2. Step 2: Convert to fraction form
    300,125.73/450,097.81 = 157,892.59/x
  3. Step 3: Cross multiply
    300,125.73x = 450,097.81 × 157,892.59
  4. Step 4: Simplify right side
    300,125.73x = 71,067,110,030.26
  5. Step 5: Solve for x
    x = 71,067,110,030.26/300,125.73
  6. Step 6: Final answer
    x = 236,791.13

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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.