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Finding the Fourth Proportional to 66,881,287.88, 100,297,862.94 and 23,150,164.28

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Solution

The fourth proportional to 66,881,287.88, 100,297,862.94 and 23,150,164.28 is: 34,716,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,881,287.88 : 100,297,862.94 = 23,150,164.28 : x
  2. Step 2: Convert to fraction form
    66,881,287.88/100,297,862.94 = 23,150,164.28/x
  3. Step 3: Cross multiply
    66,881,287.88x = 100,297,862.94 × 23,150,164.28
  4. Step 4: Simplify right side
    66,881,287.88x = 2,321,912,003,993,924
  5. Step 5: Solve for x
    x = 2,321,912,003,993,924/66,881,287.88
  6. Step 6: Final answer
    x = 34,716,915.26

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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.