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Finding the Fourth Proportional to 196,992,059.80, 295,488,089.70 and 119,393,800.60

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Solution

The fourth proportional to 196,992,059.80, 295,488,089.70 and 119,393,800.60 is: 179,090,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,059.80 : 295,488,089.70 = 119,393,800.60 : x
  2. Step 2: Convert to fraction form
    196,992,059.80/295,488,089.70 = 119,393,800.60/x
  3. Step 3: Cross multiply
    196,992,059.80x = 295,488,089.70 × 119,393,800.60
  4. Step 4: Simplify right side
    196,992,059.80x = 35,279,446,061,316,712
  5. Step 5: Solve for x
    x = 35,279,446,061,316,712/196,992,059.80
  6. Step 6: Final answer
    x = 179,090,700.90

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1.5x scale

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.