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Finding the Fourth Proportional to 125,505,051.15, 188,257,576.73 and 125,505,051.15

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Solution

The fourth proportional to 125,505,051.15, 188,257,576.73 and 125,505,051.15 is: 188,257,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,505,051.15 : 188,257,576.73 = 125,505,051.15 : x
  2. Step 2: Convert to fraction form
    125,505,051.15/188,257,576.73 = 125,505,051.15/x
  3. Step 3: Cross multiply
    125,505,051.15x = 188,257,576.73 × 125,505,051.15
  4. Step 4: Simplify right side
    125,505,051.15x = 23,627,276,796,246,176
  5. Step 5: Solve for x
    x = 23,627,276,796,246,176/125,505,051.15
  6. Step 6: Final answer
    x = 188,257,576.73

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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.