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Finding the Fourth Proportional to 265,763.60, 366,755.50 and 144,906.88

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Solution

The fourth proportional to 265,763.60, 366,755.50 and 144,906.88 is: 199,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,763.60 : 366,755.50 = 144,906.88 : x
  2. Step 2: Convert to fraction form
    265,763.60/366,755.50 = 144,906.88/x
  3. Step 3: Cross multiply
    265,763.60x = 366,755.50 × 144,906.88
  4. Step 4: Simplify right side
    265,763.60x = 53,145,395,227.84
  5. Step 5: Solve for x
    x = 53,145,395,227.84/265,763.60
  6. Step 6: Final answer
    x = 199,972.44

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1.5x scale

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.