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Finding the Fourth Proportional to 196,992,027.80, 295,488,041.70 and 192,960,949.40

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Solution

The fourth proportional to 196,992,027.80, 295,488,041.70 and 192,960,949.40 is: 289,441,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,027.80 : 295,488,041.70 = 192,960,949.40 : x
  2. Step 2: Convert to fraction form
    196,992,027.80/295,488,041.70 = 192,960,949.40/x
  3. Step 3: Cross multiply
    196,992,027.80x = 295,488,041.70 × 192,960,949.40
  4. Step 4: Simplify right side
    196,992,027.80x = 57,017,653,062,778,792
  5. Step 5: Solve for x
    x = 57,017,653,062,778,792/196,992,027.80
  6. Step 6: Final answer
    x = 289,441,424.10

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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.