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Finding the Fourth Proportional to 265,748.70, 366,728.27 and 144,891.03

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Solution

The fourth proportional to 265,748.70, 366,728.27 and 144,891.03 is: 199,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,748.70 : 366,728.27 = 144,891.03 : x
  2. Step 2: Convert to fraction form
    265,748.70/366,728.27 = 144,891.03/x
  3. Step 3: Cross multiply
    265,748.70x = 366,728.27 × 144,891.03
  4. Step 4: Simplify right side
    265,748.70x = 53,135,636,770.42
  5. Step 5: Solve for x
    x = 53,135,636,770.42/265,748.70
  6. Step 6: Final answer
    x = 199,946.93

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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.