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Finding the Fourth Proportional to 196,992,004.80, 295,488,007.20 and 180,867,691.20

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Solution

The fourth proportional to 196,992,004.80, 295,488,007.20 and 180,867,691.20 is: 271,301,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,004.80 : 295,488,007.20 = 180,867,691.20 : x
  2. Step 2: Convert to fraction form
    196,992,004.80/295,488,007.20 = 180,867,691.20/x
  3. Step 3: Cross multiply
    196,992,004.80x = 295,488,007.20 × 180,867,691.20
  4. Step 4: Simplify right side
    196,992,004.80x = 53,444,233,639,552,968
  5. Step 5: Solve for x
    x = 53,444,233,639,552,968/196,992,004.80
  6. Step 6: Final answer
    x = 271,301,536.80

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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.