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Finding the Fourth Proportional to 365,449.05, 548,154.14 and 116,111.61

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Solution

The fourth proportional to 365,449.05, 548,154.14 and 116,111.61 is: 174,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,449.05 : 548,154.14 = 116,111.61 : x
  2. Step 2: Convert to fraction form
    365,449.05/548,154.14 = 116,111.61/x
  3. Step 3: Cross multiply
    365,449.05x = 548,154.14 × 116,111.61
  4. Step 4: Simplify right side
    365,449.05x = 63,647,059,143.01
  5. Step 5: Solve for x
    x = 63,647,059,143.01/365,449.05
  6. Step 6: Final answer
    x = 174,161.24

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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.