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Finding the Fourth Proportional to 304,069.04, 419,583.14 and 168,081.08

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Solution

The fourth proportional to 304,069.04, 419,583.14 and 168,081.08 is: 231,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,069.04 : 419,583.14 = 168,081.08 : x
  2. Step 2: Convert to fraction form
    304,069.04/419,583.14 = 168,081.08/x
  3. Step 3: Cross multiply
    304,069.04x = 419,583.14 × 168,081.08
  4. Step 4: Simplify right side
    304,069.04x = 70,523,985,012.97
  5. Step 5: Solve for x
    x = 70,523,985,012.97/304,069.04
  6. Step 6: Final answer
    x = 231,934.12

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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.