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Finding the Fourth Proportional to 121,395,674.20, 182,093,511.30 and 121,395,674.20

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Solution

The fourth proportional to 121,395,674.20, 182,093,511.30 and 121,395,674.20 is: 182,093,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,395,674.20 : 182,093,511.30 = 121,395,674.20 : x
  2. Step 2: Convert to fraction form
    121,395,674.20/182,093,511.30 = 121,395,674.20/x
  3. Step 3: Cross multiply
    121,395,674.20x = 182,093,511.30 × 121,395,674.20
  4. Step 4: Simplify right side
    121,395,674.20x = 22,105,364,571,708,820
  5. Step 5: Solve for x
    x = 22,105,364,571,708,820/121,395,674.20
  6. Step 6: Final answer
    x = 182,093,511.30

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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.