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Finding the Fourth Proportional to 191,825.88, 264,716.82 and 106,940.76

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Solution

The fourth proportional to 191,825.88, 264,716.82 and 106,940.76 is: 147,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,825.88 : 264,716.82 = 106,940.76 : x
  2. Step 2: Convert to fraction form
    191,825.88/264,716.82 = 106,940.76/x
  3. Step 3: Cross multiply
    191,825.88x = 264,716.82 × 106,940.76
  4. Step 4: Simplify right side
    191,825.88x = 28,309,017,915.58
  5. Step 5: Solve for x
    x = 28,309,017,915.58/191,825.88
  6. Step 6: Final answer
    x = 147,576.64

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1.5x scale

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.