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Finding the Fourth Proportional to 118,874.08, 164,063.02 and 73,566.66

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Solution

The fourth proportional to 118,874.08, 164,063.02 and 73,566.66 is: 101,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,874.08 : 164,063.02 = 73,566.66 : x
  2. Step 2: Convert to fraction form
    118,874.08/164,063.02 = 73,566.66/x
  3. Step 3: Cross multiply
    118,874.08x = 164,063.02 × 73,566.66
  4. Step 4: Simplify right side
    118,874.08x = 12,069,568,410.91
  5. Step 5: Solve for x
    x = 12,069,568,410.91/118,874.08
  6. Step 6: Final answer
    x = 101,532.38

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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.