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Finding the Fourth Proportional to 335,665.25, 503,087.48 and 157,936.13

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Solution

The fourth proportional to 335,665.25, 503,087.48 and 157,936.13 is: 236,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,665.25 : 503,087.48 = 157,936.13 : x
  2. Step 2: Convert to fraction form
    335,665.25/503,087.48 = 157,936.13/x
  3. Step 3: Cross multiply
    335,665.25x = 503,087.48 × 157,936.13
  4. Step 4: Simplify right side
    335,665.25x = 79,455,688,852.97
  5. Step 5: Solve for x
    x = 79,455,688,852.97/335,665.25
  6. Step 6: Final answer
    x = 236,711.09

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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.