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Finding the Fourth Proportional to 192,015.78, 265,029.21 and 116,627.46

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Solution

The fourth proportional to 192,015.78, 265,029.21 and 116,627.46 is: 160,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,015.78 : 265,029.21 = 116,627.46 : x
  2. Step 2: Convert to fraction form
    192,015.78/265,029.21 = 116,627.46/x
  3. Step 3: Cross multiply
    192,015.78x = 265,029.21 × 116,627.46
  4. Step 4: Simplify right side
    192,015.78x = 30,909,683,588.11
  5. Step 5: Solve for x
    x = 30,909,683,588.11/192,015.78
  6. Step 6: Final answer
    x = 160,974.71

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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.