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Finding the Fourth Proportional to 91,972,102.88, 137,958,653.04 and 27,276,469.04

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Solution

The fourth proportional to 91,972,102.88, 137,958,653.04 and 27,276,469.04 is: 40,914,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,972,102.88 : 137,958,653.04 = 27,276,469.04 : x
  2. Step 2: Convert to fraction form
    91,972,102.88/137,958,653.04 = 27,276,469.04/x
  3. Step 3: Cross multiply
    91,972,102.88x = 137,958,653.04 × 27,276,469.04
  4. Step 4: Simplify right side
    91,972,102.88x = 3,763,024,928,445,661.50
  5. Step 5: Solve for x
    x = 3,763,024,928,445,661.50/91,972,102.88
  6. Step 6: Final answer
    x = 40,914,851.47

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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.