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Finding the Fourth Proportional to 117,236.47, 161,786.10 and 63,522.94

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Solution

The fourth proportional to 117,236.47, 161,786.10 and 63,522.94 is: 87,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,236.47 : 161,786.10 = 63,522.94 : x
  2. Step 2: Convert to fraction form
    117,236.47/161,786.10 = 63,522.94/x
  3. Step 3: Cross multiply
    117,236.47x = 161,786.10 × 63,522.94
  4. Step 4: Simplify right side
    117,236.47x = 10,277,128,556.88
  5. Step 5: Solve for x
    x = 10,277,128,556.88/117,236.47
  6. Step 6: Final answer
    x = 87,661.53

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1.5x scale

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.