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Finding the Fourth Proportional to 111,007.69, 166,588.09 and 96,201.70

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Solution

The fourth proportional to 111,007.69, 166,588.09 and 96,201.70 is: 144,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,007.69 : 166,588.09 = 96,201.70 : x
  2. Step 2: Convert to fraction form
    111,007.69/166,588.09 = 96,201.70/x
  3. Step 3: Cross multiply
    111,007.69x = 166,588.09 × 96,201.70
  4. Step 4: Simplify right side
    111,007.69x = 16,026,056,800.78
  5. Step 5: Solve for x
    x = 16,026,056,800.78/111,007.69
  6. Step 6: Final answer
    x = 144,368.89

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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.