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Finding the Fourth Proportional to 260,799.47, 359,879.05 and 147,622.22

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Solution

The fourth proportional to 260,799.47, 359,879.05 and 147,622.22 is: 203,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,799.47 : 359,879.05 = 147,622.22 : x
  2. Step 2: Convert to fraction form
    260,799.47/359,879.05 = 147,622.22/x
  3. Step 3: Cross multiply
    260,799.47x = 359,879.05 × 147,622.22
  4. Step 4: Simplify right side
    260,799.47x = 53,126,144,292.49
  5. Step 5: Solve for x
    x = 53,126,144,292.49/260,799.47
  6. Step 6: Final answer
    x = 203,704.95

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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.