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Finding the Fourth Proportional to 196,781,749.60, 295,298,595.60 and 114,900,469.60

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Solution

The fourth proportional to 196,781,749.60, 295,298,595.60 and 114,900,469.60 is: 172,424,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,781,749.60 : 295,298,595.60 = 114,900,469.60 : x
  2. Step 2: Convert to fraction form
    196,781,749.60/295,298,595.60 = 114,900,469.60/x
  3. Step 3: Cross multiply
    196,781,749.60x = 295,298,595.60 × 114,900,469.60
  4. Step 4: Simplify right side
    196,781,749.60x = 33,929,947,306,660,496
  5. Step 5: Solve for x
    x = 33,929,947,306,660,496/196,781,749.60
  6. Step 6: Final answer
    x = 172,424,258.73

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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.