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Finding the Fourth Proportional to 171,622.92, 236,829.90 and 100,014.60

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Solution

The fourth proportional to 171,622.92, 236,829.90 and 100,014.60 is: 138,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,622.92 : 236,829.90 = 100,014.60 : x
  2. Step 2: Convert to fraction form
    171,622.92/236,829.90 = 100,014.60/x
  3. Step 3: Cross multiply
    171,622.92x = 236,829.90 × 100,014.60
  4. Step 4: Simplify right side
    171,622.92x = 23,686,447,716.54
  5. Step 5: Solve for x
    x = 23,686,447,716.54/171,622.92
  6. Step 6: Final answer
    x = 138,014.48

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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.