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Finding the Fourth Proportional to 196,894.20, 295,139.70 and 96,900.60

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Solution

The fourth proportional to 196,894.20, 295,139.70 and 96,900.60 is: 145,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,894.20 : 295,139.70 = 96,900.60 : x
  2. Step 2: Convert to fraction form
    196,894.20/295,139.70 = 96,900.60/x
  3. Step 3: Cross multiply
    196,894.20x = 295,139.70 × 96,900.60
  4. Step 4: Simplify right side
    196,894.20x = 28,599,214,013.82
  5. Step 5: Solve for x
    x = 28,599,214,013.82/196,894.20
  6. Step 6: Final answer
    x = 145,251.68

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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.