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Finding the Fourth Proportional to 104,976,107.20, 157,464,160.86 and 104,976,107.20

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Solution

The fourth proportional to 104,976,107.20, 157,464,160.86 and 104,976,107.20 is: 157,464,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,107.20 : 157,464,160.86 = 104,976,107.20 : x
  2. Step 2: Convert to fraction form
    104,976,107.20/157,464,160.86 = 104,976,107.20/x
  3. Step 3: Cross multiply
    104,976,107.20x = 157,464,160.86 × 104,976,107.20
  4. Step 4: Simplify right side
    104,976,107.20x = 16,529,974,630,597,406
  5. Step 5: Solve for x
    x = 16,529,974,630,597,406/104,976,107.20
  6. Step 6: Final answer
    x = 157,464,160.86

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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.