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Finding the Fourth Proportional to 265,054.92, 365,785.86 and 151,899.54

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Solution

The fourth proportional to 265,054.92, 365,785.86 and 151,899.54 is: 209,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,054.92 : 365,785.86 = 151,899.54 : x
  2. Step 2: Convert to fraction form
    265,054.92/365,785.86 = 151,899.54/x
  3. Step 3: Cross multiply
    265,054.92x = 365,785.86 × 151,899.54
  4. Step 4: Simplify right side
    265,054.92x = 55,562,703,872.50
  5. Step 5: Solve for x
    x = 55,562,703,872.50/265,054.92
  6. Step 6: Final answer
    x = 209,627.14

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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.