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Finding the Fourth Proportional to 133,378.40, 200,067.60 and 127,254.80

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Solution

The fourth proportional to 133,378.40, 200,067.60 and 127,254.80 is: 190,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,378.40 : 200,067.60 = 127,254.80 : x
  2. Step 2: Convert to fraction form
    133,378.40/200,067.60 = 127,254.80/x
  3. Step 3: Cross multiply
    133,378.40x = 200,067.60 × 127,254.80
  4. Step 4: Simplify right side
    133,378.40x = 25,459,562,424.48
  5. Step 5: Solve for x
    x = 25,459,562,424.48/133,378.40
  6. Step 6: Final answer
    x = 190,882.20

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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.