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Finding the Fourth Proportional to 133,418.28, 200,127.40 and 63,259.32

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Solution

The fourth proportional to 133,418.28, 200,127.40 and 63,259.32 is: 94,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,418.28 : 200,127.40 = 63,259.32 : x
  2. Step 2: Convert to fraction form
    133,418.28/200,127.40 = 63,259.32/x
  3. Step 3: Cross multiply
    133,418.28x = 200,127.40 × 63,259.32
  4. Step 4: Simplify right side
    133,418.28x = 12,659,923,237.37
  5. Step 5: Solve for x
    x = 12,659,923,237.37/133,418.28
  6. Step 6: Final answer
    x = 94,888.97

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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.