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Finding the Fourth Proportional to 130,680,944.20, 196,021,416.30 and 130,680,944.20

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Solution

The fourth proportional to 130,680,944.20, 196,021,416.30 and 130,680,944.20 is: 196,021,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,680,944.20 : 196,021,416.30 = 130,680,944.20 : x
  2. Step 2: Convert to fraction form
    130,680,944.20/196,021,416.30 = 130,680,944.20/x
  3. Step 3: Cross multiply
    130,680,944.20x = 196,021,416.30 × 130,680,944.20
  4. Step 4: Simplify right side
    130,680,944.20x = 25,616,263,765,505,272
  5. Step 5: Solve for x
    x = 25,616,263,765,505,272/130,680,944.20
  6. Step 6: Final answer
    x = 196,021,416.30

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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.