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Finding the Fourth Proportional to 234,448.59, 351,935.33 and 155,716.59

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Solution

The fourth proportional to 234,448.59, 351,935.33 and 155,716.59 is: 233,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,448.59 : 351,935.33 = 155,716.59 : x
  2. Step 2: Convert to fraction form
    234,448.59/351,935.33 = 155,716.59/x
  3. Step 3: Cross multiply
    234,448.59x = 351,935.33 × 155,716.59
  4. Step 4: Simplify right side
    234,448.59x = 54,802,168,709.54
  5. Step 5: Solve for x
    x = 54,802,168,709.54/234,448.59
  6. Step 6: Final answer
    x = 233,749.19

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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.