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Finding the Fourth Proportional to 265,043.08, 365,755.62 and 144,185.41

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Solution

The fourth proportional to 265,043.08, 365,755.62 and 144,185.41 is: 198,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,043.08 : 365,755.62 = 144,185.41 : x
  2. Step 2: Convert to fraction form
    265,043.08/365,755.62 = 144,185.41/x
  3. Step 3: Cross multiply
    265,043.08x = 365,755.62 × 144,185.41
  4. Step 4: Simplify right side
    265,043.08x = 52,736,624,029.50
  5. Step 5: Solve for x
    x = 52,736,624,029.50/265,043.08
  6. Step 6: Final answer
    x = 198,973.78

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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.