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Finding the Fourth Proportional to 133,415.28, 200,122.90 and 63,256.32

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Solution

The fourth proportional to 133,415.28, 200,122.90 and 63,256.32 is: 94,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,415.28 : 200,122.90 = 63,256.32 : x
  2. Step 2: Convert to fraction form
    133,415.28/200,122.90 = 63,256.32/x
  3. Step 3: Cross multiply
    133,415.28x = 200,122.90 × 63,256.32
  4. Step 4: Simplify right side
    133,415.28x = 12,659,038,201.73
  5. Step 5: Solve for x
    x = 12,659,038,201.73/133,415.28
  6. Step 6: Final answer
    x = 94,884.47

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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.