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Finding the Fourth Proportional to 169,636.28, 253,970.58 and 134,627

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Solution

The fourth proportional to 169,636.28, 253,970.58 and 134,627 is: 201,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,636.28 : 253,970.58 = 134,627 : x
  2. Step 2: Convert to fraction form
    169,636.28/253,970.58 = 134,627/x
  3. Step 3: Cross multiply
    169,636.28x = 253,970.58 × 134,627
  4. Step 4: Simplify right side
    169,636.28x = 34,191,297,273.66
  5. Step 5: Solve for x
    x = 34,191,297,273.66/169,636.28
  6. Step 6: Final answer
    x = 201,556.51

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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.