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Finding the Fourth Proportional to 196,625.70, 294,880.95 and 70,251.30

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Solution

The fourth proportional to 196,625.70, 294,880.95 and 70,251.30 is: 105,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,625.70 : 294,880.95 = 70,251.30 : x
  2. Step 2: Convert to fraction form
    196,625.70/294,880.95 = 70,251.30/x
  3. Step 3: Cross multiply
    196,625.70x = 294,880.95 × 70,251.30
  4. Step 4: Simplify right side
    196,625.70x = 20,715,770,082.74
  5. Step 5: Solve for x
    x = 20,715,770,082.74/196,625.70
  6. Step 6: Final answer
    x = 105,356.37

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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.