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Finding the Fourth Proportional to 111,259.48, 166,899.48 and 36,380.01

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Solution

The fourth proportional to 111,259.48, 166,899.48 and 36,380.01 is: 54,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,259.48 : 166,899.48 = 36,380.01 : x
  2. Step 2: Convert to fraction form
    111,259.48/166,899.48 = 36,380.01/x
  3. Step 3: Cross multiply
    111,259.48x = 166,899.48 × 36,380.01
  4. Step 4: Simplify right side
    111,259.48x = 6,071,804,751.39
  5. Step 5: Solve for x
    x = 6,071,804,751.39/111,259.48
  6. Step 6: Final answer
    x = 54,573.37

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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.