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Finding the Fourth Proportional to 176,993.64, 244,242.81 and 96,420.78

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Solution

The fourth proportional to 176,993.64, 244,242.81 and 96,420.78 is: 133,056.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,993.64 : 244,242.81 = 96,420.78 : x
  2. Step 2: Convert to fraction form
    176,993.64/244,242.81 = 96,420.78/x
  3. Step 3: Cross multiply
    176,993.64x = 244,242.81 × 96,420.78
  4. Step 4: Simplify right side
    176,993.64x = 23,550,082,249.59
  5. Step 5: Solve for x
    x = 23,550,082,249.59/176,993.64
  6. Step 6: Final answer
    x = 133,056.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.