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Finding the Fourth Proportional to 196,992,007.80, 295,488,011.70 and 192,960,929.40

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Solution

The fourth proportional to 196,992,007.80, 295,488,011.70 and 192,960,929.40 is: 289,441,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,007.80 : 295,488,011.70 = 192,960,929.40 : x
  2. Step 2: Convert to fraction form
    196,992,007.80/295,488,011.70 = 192,960,929.40/x
  3. Step 3: Cross multiply
    196,992,007.80x = 295,488,011.70 × 192,960,929.40
  4. Step 4: Simplify right side
    196,992,007.80x = 57,017,641,364,190,072
  5. Step 5: Solve for x
    x = 57,017,641,364,190,072/196,992,007.80
  6. Step 6: Final answer
    x = 289,441,394.10

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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.