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Finding the Fourth Proportional to 133,190.70, 199,785.51 and 63,119.22

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Solution

The fourth proportional to 133,190.70, 199,785.51 and 63,119.22 is: 94,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,190.70 : 199,785.51 = 63,119.22 : x
  2. Step 2: Convert to fraction form
    133,190.70/199,785.51 = 63,119.22/x
  3. Step 3: Cross multiply
    133,190.70x = 199,785.51 × 63,119.22
  4. Step 4: Simplify right side
    133,190.70x = 12,610,305,558.50
  5. Step 5: Solve for x
    x = 12,610,305,558.50/133,190.70
  6. Step 6: Final answer
    x = 94,678.57

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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.