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Finding the Fourth Proportional to 174,843.60, 262,265.46 and 74,939.01

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Solution

The fourth proportional to 174,843.60, 262,265.46 and 74,939.01 is: 112,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,843.60 : 262,265.46 = 74,939.01 : x
  2. Step 2: Convert to fraction form
    174,843.60/262,265.46 = 74,939.01/x
  3. Step 3: Cross multiply
    174,843.60x = 262,265.46 × 74,939.01
  4. Step 4: Simplify right side
    174,843.60x = 19,653,913,929.59
  5. Step 5: Solve for x
    x = 19,653,913,929.59/174,843.60
  6. Step 6: Final answer
    x = 112,408.54

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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.