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Finding the Fourth Proportional to 175,258.40, 262,887.60 and 133,786.40

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Solution

The fourth proportional to 175,258.40, 262,887.60 and 133,786.40 is: 200,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,258.40 : 262,887.60 = 133,786.40 : x
  2. Step 2: Convert to fraction form
    175,258.40/262,887.60 = 133,786.40/x
  3. Step 3: Cross multiply
    175,258.40x = 262,887.60 × 133,786.40
  4. Step 4: Simplify right side
    175,258.40x = 35,170,785,608.64
  5. Step 5: Solve for x
    x = 35,170,785,608.64/175,258.40
  6. Step 6: Final answer
    x = 200,679.60

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1.5x scale

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.