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Finding the Fourth Proportional to 111,259.51, 166,899.53 and 36,380.04

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Solution

The fourth proportional to 111,259.51, 166,899.53 and 36,380.04 is: 54,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,259.51 : 166,899.53 = 36,380.04 : x
  2. Step 2: Convert to fraction form
    111,259.51/166,899.53 = 36,380.04/x
  3. Step 3: Cross multiply
    111,259.51x = 166,899.53 × 36,380.04
  4. Step 4: Simplify right side
    111,259.51x = 6,071,811,577.38
  5. Step 5: Solve for x
    x = 6,071,811,577.38/111,259.51
  6. Step 6: Final answer
    x = 54,573.42

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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.