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Finding the Fourth Proportional to 193,080,673.80, 289,621,010.70 and 193,080,673.80

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Solution

The fourth proportional to 193,080,673.80, 289,621,010.70 and 193,080,673.80 is: 289,621,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,080,673.80 : 289,621,010.70 = 193,080,673.80 : x
  2. Step 2: Convert to fraction form
    193,080,673.80/289,621,010.70 = 193,080,673.80/x
  3. Step 3: Cross multiply
    193,080,673.80x = 289,621,010.70 × 193,080,673.80
  4. Step 4: Simplify right side
    193,080,673.80x = 55,920,219,892,593,008
  5. Step 5: Solve for x
    x = 55,920,219,892,593,008/193,080,673.80
  6. Step 6: Final answer
    x = 289,621,010.70

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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.