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Finding the Fourth Proportional to 69,008,546.68, 103,473,978.36 and 22,925,744.80

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Solution

The fourth proportional to 69,008,546.68, 103,473,978.36 and 22,925,744.80 is: 34,375,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,008,546.68 : 103,473,978.36 = 22,925,744.80 : x
  2. Step 2: Convert to fraction form
    69,008,546.68/103,473,978.36 = 22,925,744.80/x
  3. Step 3: Cross multiply
    69,008,546.68x = 103,473,978.36 × 22,925,744.80
  4. Step 4: Simplify right side
    69,008,546.68x = 2,372,218,021,322,082.50
  5. Step 5: Solve for x
    x = 2,372,218,021,322,082.50/69,008,546.68
  6. Step 6: Final answer
    x = 34,375,713.38

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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.