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Finding the Fourth Proportional to 231,198.63, 346,797.94 and 64,986.63

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Solution

The fourth proportional to 231,198.63, 346,797.94 and 64,986.63 is: 97,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,198.63 : 346,797.94 = 64,986.63 : x
  2. Step 2: Convert to fraction form
    231,198.63/346,797.94 = 64,986.63/x
  3. Step 3: Cross multiply
    231,198.63x = 346,797.94 × 64,986.63
  4. Step 4: Simplify right side
    231,198.63x = 22,537,229,411.54
  5. Step 5: Solve for x
    x = 22,537,229,411.54/231,198.63
  6. Step 6: Final answer
    x = 97,479.94

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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.