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Finding the Fourth Proportional to 334,367.58, 501,589.42 and 121,235.86

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Solution

The fourth proportional to 334,367.58, 501,589.42 and 121,235.86 is: 181,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,367.58 : 501,589.42 = 121,235.86 : x
  2. Step 2: Convert to fraction form
    334,367.58/501,589.42 = 121,235.86/x
  3. Step 3: Cross multiply
    334,367.58x = 501,589.42 × 121,235.86
  4. Step 4: Simplify right side
    334,367.58x = 60,810,623,143.54
  5. Step 5: Solve for x
    x = 60,810,623,143.54/334,367.58
  6. Step 6: Final answer
    x = 181,867.58

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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.