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Finding the Fourth Proportional to 265,039.68, 365,754.60 and 151,928.04

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Solution

The fourth proportional to 265,039.68, 365,754.60 and 151,928.04 is: 209,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,039.68 : 365,754.60 = 151,928.04 : x
  2. Step 2: Convert to fraction form
    265,039.68/365,754.60 = 151,928.04/x
  3. Step 3: Cross multiply
    265,039.68x = 365,754.60 × 151,928.04
  4. Step 4: Simplify right side
    265,039.68x = 55,568,379,498.98
  5. Step 5: Solve for x
    x = 55,568,379,498.98/265,039.68
  6. Step 6: Final answer
    x = 209,660.60

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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.