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Finding the Fourth Proportional to 262,089.42, 393,131.97 and 75,101.10

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Solution

The fourth proportional to 262,089.42, 393,131.97 and 75,101.10 is: 112,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,089.42 : 393,131.97 = 75,101.10 : x
  2. Step 2: Convert to fraction form
    262,089.42/393,131.97 = 75,101.10/x
  3. Step 3: Cross multiply
    262,089.42x = 393,131.97 × 75,101.10
  4. Step 4: Simplify right side
    262,089.42x = 29,524,643,392.17
  5. Step 5: Solve for x
    x = 29,524,643,392.17/262,089.42
  6. Step 6: Final answer
    x = 112,651.03

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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.