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Finding the Fourth Proportional to 265,037.82, 365,745.60 and 151,853.28

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Solution

The fourth proportional to 265,037.82, 365,745.60 and 151,853.28 is: 209,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,037.82 : 365,745.60 = 151,853.28 : x
  2. Step 2: Convert to fraction form
    265,037.82/365,745.60 = 151,853.28/x
  3. Step 3: Cross multiply
    265,037.82x = 365,745.60 × 151,853.28
  4. Step 4: Simplify right side
    265,037.82x = 55,539,669,005.57
  5. Step 5: Solve for x
    x = 55,539,669,005.57/265,037.82
  6. Step 6: Final answer
    x = 209,553.75

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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.