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Finding the Fourth Proportional to 71,993,823.64, 107,995,524.07 and 25,301,662.28

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Solution

The fourth proportional to 71,993,823.64, 107,995,524.07 and 25,301,662.28 is: 37,954,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,993,823.64 : 107,995,524.07 = 25,301,662.28 : x
  2. Step 2: Convert to fraction form
    71,993,823.64/107,995,524.07 = 25,301,662.28/x
  3. Step 3: Cross multiply
    71,993,823.64x = 107,995,524.07 × 25,301,662.28
  4. Step 4: Simplify right side
    71,993,823.64x = 2,732,466,277,770,751
  5. Step 5: Solve for x
    x = 2,732,466,277,770,751/71,993,823.64
  6. Step 6: Final answer
    x = 37,954,176.34

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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.