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Finding the Fourth Proportional to 196,992,079.80, 295,488,119.70 and 191,323,375.80

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Solution

The fourth proportional to 196,992,079.80, 295,488,119.70 and 191,323,375.80 is: 286,985,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,079.80 : 295,488,119.70 = 191,323,375.80 : x
  2. Step 2: Convert to fraction form
    196,992,079.80/295,488,119.70 = 191,323,375.80/x
  3. Step 3: Cross multiply
    196,992,079.80x = 295,488,119.70 × 191,323,375.80
  4. Step 4: Simplify right side
    196,992,079.80x = 56,533,784,569,798,488
  5. Step 5: Solve for x
    x = 56,533,784,569,798,488/196,992,079.80
  6. Step 6: Final answer
    x = 286,985,063.70

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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.