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Finding the Fourth Proportional to 188,124.66, 259,221.87 and 175,119.30

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Solution

The fourth proportional to 188,124.66, 259,221.87 and 175,119.30 is: 241,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,124.66 : 259,221.87 = 175,119.30 : x
  2. Step 2: Convert to fraction form
    188,124.66/259,221.87 = 175,119.30/x
  3. Step 3: Cross multiply
    188,124.66x = 259,221.87 × 175,119.30
  4. Step 4: Simplify right side
    188,124.66x = 45,394,752,419.09
  5. Step 5: Solve for x
    x = 45,394,752,419.09/188,124.66
  6. Step 6: Final answer
    x = 241,301.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.