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Finding the Fourth Proportional to 304,143.81, 419,696.01 and 168,179.55

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Solution

The fourth proportional to 304,143.81, 419,696.01 and 168,179.55 is: 232,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,143.81 : 419,696.01 = 168,179.55 : x
  2. Step 2: Convert to fraction form
    304,143.81/419,696.01 = 168,179.55/x
  3. Step 3: Cross multiply
    304,143.81x = 419,696.01 × 168,179.55
  4. Step 4: Simplify right side
    304,143.81x = 70,584,286,098.60
  5. Step 5: Solve for x
    x = 70,584,286,098.60/304,143.81
  6. Step 6: Final answer
    x = 232,075.37

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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.