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Finding the Fourth Proportional to 177,250.69, 265,994.21 and 91,940.19

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Solution

The fourth proportional to 177,250.69, 265,994.21 and 91,940.19 is: 137,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,250.69 : 265,994.21 = 91,940.19 : x
  2. Step 2: Convert to fraction form
    177,250.69/265,994.21 = 91,940.19/x
  3. Step 3: Cross multiply
    177,250.69x = 265,994.21 × 91,940.19
  4. Step 4: Simplify right side
    177,250.69x = 24,455,558,206.30
  5. Step 5: Solve for x
    x = 24,455,558,206.30/177,250.69
  6. Step 6: Final answer
    x = 137,971.58

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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.