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Finding the Fourth Proportional to 151,716.40, 227,137.20 and 134,220.40

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Solution

The fourth proportional to 151,716.40, 227,137.20 and 134,220.40 is: 200,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,716.40 : 227,137.20 = 134,220.40 : x
  2. Step 2: Convert to fraction form
    151,716.40/227,137.20 = 134,220.40/x
  3. Step 3: Cross multiply
    151,716.40x = 227,137.20 × 134,220.40
  4. Step 4: Simplify right side
    151,716.40x = 30,486,445,838.88
  5. Step 5: Solve for x
    x = 30,486,445,838.88/151,716.40
  6. Step 6: Final answer
    x = 200,943.64

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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.