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Finding the Fourth Proportional to 304,041.88, 419,575.01 and 168,079.33

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Solution

The fourth proportional to 304,041.88, 419,575.01 and 168,079.33 is: 231,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,041.88 : 419,575.01 = 168,079.33 : x
  2. Step 2: Convert to fraction form
    304,041.88/419,575.01 = 168,079.33/x
  3. Step 3: Cross multiply
    304,041.88x = 419,575.01 × 168,079.33
  4. Step 4: Simplify right side
    304,041.88x = 70,521,886,565.54
  5. Step 5: Solve for x
    x = 70,521,886,565.54/304,041.88
  6. Step 6: Final answer
    x = 231,947.94

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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.