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Finding the Fourth Proportional to 235,907.74, 325,561.89 and 133,942.69

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Solution

The fourth proportional to 235,907.74, 325,561.89 and 133,942.69 is: 184,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,907.74 : 325,561.89 = 133,942.69 : x
  2. Step 2: Convert to fraction form
    235,907.74/325,561.89 = 133,942.69/x
  3. Step 3: Cross multiply
    235,907.74x = 325,561.89 × 133,942.69
  4. Step 4: Simplify right side
    235,907.74x = 43,606,635,308.08
  5. Step 5: Solve for x
    x = 43,606,635,308.08/235,907.74
  6. Step 6: Final answer
    x = 184,846.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.