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Finding the Fourth Proportional to 196,375.40, 294,368.70 and 96,453.80

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Solution

The fourth proportional to 196,375.40, 294,368.70 and 96,453.80 is: 144,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,375.40 : 294,368.70 = 96,453.80 : x
  2. Step 2: Convert to fraction form
    196,375.40/294,368.70 = 96,453.80/x
  3. Step 3: Cross multiply
    196,375.40x = 294,368.70 × 96,453.80
  4. Step 4: Simplify right side
    196,375.40x = 28,392,979,716.06
  5. Step 5: Solve for x
    x = 28,392,979,716.06/196,375.40
  6. Step 6: Final answer
    x = 144,585.22

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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.