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Finding the Fourth Proportional to 117,173.69, 175,768.73 and 47,053

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Solution

The fourth proportional to 117,173.69, 175,768.73 and 47,053 is: 70,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,173.69 : 175,768.73 = 47,053 : x
  2. Step 2: Convert to fraction form
    117,173.69/175,768.73 = 47,053/x
  3. Step 3: Cross multiply
    117,173.69x = 175,768.73 × 47,053
  4. Step 4: Simplify right side
    117,173.69x = 8,270,446,052.69
  5. Step 5: Solve for x
    x = 8,270,446,052.69/117,173.69
  6. Step 6: Final answer
    x = 70,582.79

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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.