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Finding the Fourth Proportional to 136,858.81, 205,293.90 and 46,963.33

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Solution

The fourth proportional to 136,858.81, 205,293.90 and 46,963.33 is: 70,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,858.81 : 205,293.90 = 46,963.33 : x
  2. Step 2: Convert to fraction form
    136,858.81/205,293.90 = 46,963.33/x
  3. Step 3: Cross multiply
    136,858.81x = 205,293.90 × 46,963.33
  4. Step 4: Simplify right side
    136,858.81x = 9,641,285,172.69
  5. Step 5: Solve for x
    x = 9,641,285,172.69/136,858.81
  6. Step 6: Final answer
    x = 70,446.95

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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.