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Finding the Fourth Proportional to 241,487.72, 362,183.66 and 121,512.68

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Solution

The fourth proportional to 241,487.72, 362,183.66 and 121,512.68 is: 182,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,487.72 : 362,183.66 = 121,512.68 : x
  2. Step 2: Convert to fraction form
    241,487.72/362,183.66 = 121,512.68/x
  3. Step 3: Cross multiply
    241,487.72x = 362,183.66 × 121,512.68
  4. Step 4: Simplify right side
    241,487.72x = 44,009,907,178.81
  5. Step 5: Solve for x
    x = 44,009,907,178.81/241,487.72
  6. Step 6: Final answer
    x = 182,244.91

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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.