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Finding the Fourth Proportional to 196,999.79, 295,470.20 and 70,620.95

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Solution

The fourth proportional to 196,999.79, 295,470.20 and 70,620.95 is: 105,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,999.79 : 295,470.20 = 70,620.95 : x
  2. Step 2: Convert to fraction form
    196,999.79/295,470.20 = 70,620.95/x
  3. Step 3: Cross multiply
    196,999.79x = 295,470.20 × 70,620.95
  4. Step 4: Simplify right side
    196,999.79x = 20,866,384,390.23
  5. Step 5: Solve for x
    x = 20,866,384,390.23/196,999.79
  6. Step 6: Final answer
    x = 105,920.85

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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.