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Finding the Fourth Proportional to 111,193.50, 166,807.53 and 37,338.78

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Solution

The fourth proportional to 111,193.50, 166,807.53 and 37,338.78 is: 56,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,193.50 : 166,807.53 = 37,338.78 : x
  2. Step 2: Convert to fraction form
    111,193.50/166,807.53 = 37,338.78/x
  3. Step 3: Cross multiply
    111,193.50x = 166,807.53 × 37,338.78
  4. Step 4: Simplify right side
    111,193.50x = 6,228,389,665.01
  5. Step 5: Solve for x
    x = 6,228,389,665.01/111,193.50
  6. Step 6: Final answer
    x = 56,013.97

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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.