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Finding the Fourth Proportional to 177,179,991.70, 265,769,987.55 and 177,179,991.70

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Solution

The fourth proportional to 177,179,991.70, 265,769,987.55 and 177,179,991.70 is: 265,769,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,179,991.70 : 265,769,987.55 = 177,179,991.70 : x
  2. Step 2: Convert to fraction form
    177,179,991.70/265,769,987.55 = 177,179,991.70/x
  3. Step 3: Cross multiply
    177,179,991.70x = 265,769,987.55 × 177,179,991.70
  4. Step 4: Simplify right side
    177,179,991.70x = 47,089,124,188,218,104
  5. Step 5: Solve for x
    x = 47,089,124,188,218,104/177,179,991.70
  6. Step 6: Final answer
    x = 265,769,987.55

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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.