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Finding the Fourth Proportional to 262,706.42, 393,987.80 and 94,195.42

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Solution

The fourth proportional to 262,706.42, 393,987.80 and 94,195.42 is: 141,267.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,706.42 : 393,987.80 = 94,195.42 : x
  2. Step 2: Convert to fraction form
    262,706.42/393,987.80 = 94,195.42/x
  3. Step 3: Cross multiply
    262,706.42x = 393,987.80 × 94,195.42
  4. Step 4: Simplify right side
    262,706.42x = 37,111,846,295.88
  5. Step 5: Solve for x
    x = 37,111,846,295.88/262,706.42
  6. Step 6: Final answer
    x = 141,267.37

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1.5x scale

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.