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Finding the Fourth Proportional to 168,374.81, 252,603.83 and 50,045.66

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Solution

The fourth proportional to 168,374.81, 252,603.83 and 50,045.66 is: 75,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,374.81 : 252,603.83 = 50,045.66 : x
  2. Step 2: Convert to fraction form
    168,374.81/252,603.83 = 50,045.66/x
  3. Step 3: Cross multiply
    168,374.81x = 252,603.83 × 50,045.66
  4. Step 4: Simplify right side
    168,374.81x = 12,641,725,200.24
  5. Step 5: Solve for x
    x = 12,641,725,200.24/168,374.81
  6. Step 6: Final answer
    x = 75,080.86

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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.