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Finding the Fourth Proportional to 241,958.46, 333,806.72 and 139,965

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Solution

The fourth proportional to 241,958.46, 333,806.72 and 139,965 is: 193,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,958.46 : 333,806.72 = 139,965 : x
  2. Step 2: Convert to fraction form
    241,958.46/333,806.72 = 139,965/x
  3. Step 3: Cross multiply
    241,958.46x = 333,806.72 × 139,965
  4. Step 4: Simplify right side
    241,958.46x = 46,721,257,564.80
  5. Step 5: Solve for x
    x = 46,721,257,564.80/241,958.46
  6. Step 6: Final answer
    x = 193,096.19

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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.