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Finding the Fourth Proportional to 124,455,846.30, 186,325,046.78 and 124,455,846.30

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Solution

The fourth proportional to 124,455,846.30, 186,325,046.78 and 124,455,846.30 is: 186,325,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,455,846.30 : 186,325,046.78 = 124,455,846.30 : x
  2. Step 2: Convert to fraction form
    124,455,846.30/186,325,046.78 = 124,455,846.30/x
  3. Step 3: Cross multiply
    124,455,846.30x = 186,325,046.78 × 124,455,846.30
  4. Step 4: Simplify right side
    124,455,846.30x = 23,189,241,383,269,712
  5. Step 5: Solve for x
    x = 23,189,241,383,269,712/124,455,846.30
  6. Step 6: Final answer
    x = 186,325,046.78

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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.