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Finding the Fourth Proportional to 265,063.32, 365,779 and 144,201.48

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Solution

The fourth proportional to 265,063.32, 365,779 and 144,201.48 is: 198,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,063.32 : 365,779 = 144,201.48 : x
  2. Step 2: Convert to fraction form
    265,063.32/365,779 = 144,201.48/x
  3. Step 3: Cross multiply
    265,063.32x = 365,779 × 144,201.48
  4. Step 4: Simplify right side
    265,063.32x = 52,745,873,152.92
  5. Step 5: Solve for x
    x = 52,745,873,152.92/265,063.32
  6. Step 6: Final answer
    x = 198,993.48

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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.