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Finding the Fourth Proportional to 66,755,196.60, 100,150,509.60 and 23,619,902.10

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Solution

The fourth proportional to 66,755,196.60, 100,150,509.60 and 23,619,902.10 is: 35,436,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,755,196.60 : 100,150,509.60 = 23,619,902.10 : x
  2. Step 2: Convert to fraction form
    66,755,196.60/100,150,509.60 = 23,619,902.10/x
  3. Step 3: Cross multiply
    66,755,196.60x = 100,150,509.60 × 23,619,902.10
  4. Step 4: Simplify right side
    66,755,196.60x = 2,365,545,232,017,110
  5. Step 5: Solve for x
    x = 2,365,545,232,017,110/66,755,196.60
  6. Step 6: Final answer
    x = 35,436,121.12

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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.