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Finding the Fourth Proportional to 196,992,815.20, 295,489,222.80 and 132,495,560.80

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Solution

The fourth proportional to 196,992,815.20, 295,489,222.80 and 132,495,560.80 is: 198,743,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,815.20 : 295,489,222.80 = 132,495,560.80 : x
  2. Step 2: Convert to fraction form
    196,992,815.20/295,489,222.80 = 132,495,560.80/x
  3. Step 3: Cross multiply
    196,992,815.20x = 295,489,222.80 × 132,495,560.80
  4. Step 4: Simplify right side
    196,992,815.20x = 39,151,010,285,242,144
  5. Step 5: Solve for x
    x = 39,151,010,285,242,144/196,992,815.20
  6. Step 6: Final answer
    x = 198,743,341.20

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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.