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Finding the Fourth Proportional to 262,868.80, 394,303.20 and 94,469.80

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Solution

The fourth proportional to 262,868.80, 394,303.20 and 94,469.80 is: 141,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,868.80 : 394,303.20 = 94,469.80 : x
  2. Step 2: Convert to fraction form
    262,868.80/394,303.20 = 94,469.80/x
  3. Step 3: Cross multiply
    262,868.80x = 394,303.20 × 94,469.80
  4. Step 4: Simplify right side
    262,868.80x = 37,249,744,443.36
  5. Step 5: Solve for x
    x = 37,249,744,443.36/262,868.80
  6. Step 6: Final answer
    x = 141,704.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.