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Finding the Fourth Proportional to 335,112.88, 502,562.66 and 110,431.40

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Solution

The fourth proportional to 335,112.88, 502,562.66 and 110,431.40 is: 165,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,112.88 : 502,562.66 = 110,431.40 : x
  2. Step 2: Convert to fraction form
    335,112.88/502,562.66 = 110,431.40/x
  3. Step 3: Cross multiply
    335,112.88x = 502,562.66 × 110,431.40
  4. Step 4: Simplify right side
    335,112.88x = 55,498,698,131.52
  5. Step 5: Solve for x
    x = 55,498,698,131.52/335,112.88
  6. Step 6: Final answer
    x = 165,611.95

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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.