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Finding the Fourth Proportional to 74,372,260.20, 111,558,390.30 and 74,372,260.20

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Solution

The fourth proportional to 74,372,260.20, 111,558,390.30 and 74,372,260.20 is: 111,558,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372,260.20 : 111,558,390.30 = 74,372,260.20 : x
  2. Step 2: Convert to fraction form
    74,372,260.20/111,558,390.30 = 74,372,260.20/x
  3. Step 3: Cross multiply
    74,372,260.20x = 111,558,390.30 × 74,372,260.20
  4. Step 4: Simplify right side
    74,372,260.20x = 8,296,849,630,884,756
  5. Step 5: Solve for x
    x = 8,296,849,630,884,756/74,372,260.20
  6. Step 6: Final answer
    x = 111,558,390.30

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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.