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Finding the Fourth Proportional to 242,016,532.60, 362,977,559.70 and 80,458,468.60

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Solution

The fourth proportional to 242,016,532.60, 362,977,559.70 and 80,458,468.60 is: 120,671,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,016,532.60 : 362,977,559.70 = 80,458,468.60 : x
  2. Step 2: Convert to fraction form
    242,016,532.60/362,977,559.70 = 80,458,468.60/x
  3. Step 3: Cross multiply
    242,016,532.60x = 362,977,559.70 × 80,458,468.60
  4. Step 4: Simplify right side
    242,016,532.60x = 29,204,618,589,627,072
  5. Step 5: Solve for x
    x = 29,204,618,589,627,072/242,016,532.60
  6. Step 6: Final answer
    x = 120,671,998.21

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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.