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Finding the Fourth Proportional to 126,612,110.40, 177,660,062.40 and 126,612,110.40

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Solution

The fourth proportional to 126,612,110.40, 177,660,062.40 and 126,612,110.40 is: 177,660,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,612,110.40 : 177,660,062.40 = 126,612,110.40 : x
  2. Step 2: Convert to fraction form
    126,612,110.40/177,660,062.40 = 126,612,110.40/x
  3. Step 3: Cross multiply
    126,612,110.40x = 177,660,062.40 × 126,612,110.40
  4. Step 4: Simplify right side
    126,612,110.40x = 22,493,915,434,259,692
  5. Step 5: Solve for x
    x = 22,493,915,434,259,692/126,612,110.40
  6. Step 6: Final answer
    x = 177,660,062.40

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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.