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Finding the Fourth Proportional to 126,861,335.80, 177,223,232.60 and 126,861,335.80

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Solution

The fourth proportional to 126,861,335.80, 177,223,232.60 and 126,861,335.80 is: 177,223,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,861,335.80 : 177,223,232.60 = 126,861,335.80 : x
  2. Step 2: Convert to fraction form
    126,861,335.80/177,223,232.60 = 126,861,335.80/x
  3. Step 3: Cross multiply
    126,861,335.80x = 177,223,232.60 × 126,861,335.80
  4. Step 4: Simplify right side
    126,861,335.80x = 22,482,776,022,430,104
  5. Step 5: Solve for x
    x = 22,482,776,022,430,104/126,861,335.80
  6. Step 6: Final answer
    x = 177,223,232.60

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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.