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Finding the Fourth Proportional to 134,629.60, 188,112.80 and 134,629.60

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Solution

The fourth proportional to 134,629.60, 188,112.80 and 134,629.60 is: 188,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,629.60 : 188,112.80 = 134,629.60 : x
  2. Step 2: Convert to fraction form
    134,629.60/188,112.80 = 134,629.60/x
  3. Step 3: Cross multiply
    134,629.60x = 188,112.80 × 134,629.60
  4. Step 4: Simplify right side
    134,629.60x = 25,325,551,018.88
  5. Step 5: Solve for x
    x = 25,325,551,018.88/134,629.60
  6. Step 6: Final answer
    x = 188,112.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.