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Finding the Fourth Proportional to 100,912,062.30, 141,372,546.60 and 100,912,062.30

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Solution

The fourth proportional to 100,912,062.30, 141,372,546.60 and 100,912,062.30 is: 141,372,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,912,062.30 : 141,372,546.60 = 100,912,062.30 : x
  2. Step 2: Convert to fraction form
    100,912,062.30/141,372,546.60 = 100,912,062.30/x
  3. Step 3: Cross multiply
    100,912,062.30x = 141,372,546.60 × 100,912,062.30
  4. Step 4: Simplify right side
    100,912,062.30x = 14,266,195,230,008,852
  5. Step 5: Solve for x
    x = 14,266,195,230,008,852/100,912,062.30
  6. Step 6: Final answer
    x = 141,372,546.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.