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Finding the Fourth Proportional to 111,241.58, 166,862.26 and 44,681.72

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Solution

The fourth proportional to 111,241.58, 166,862.26 and 44,681.72 is: 67,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,241.58 : 166,862.26 = 44,681.72 : x
  2. Step 2: Convert to fraction form
    111,241.58/166,862.26 = 44,681.72/x
  3. Step 3: Cross multiply
    111,241.58x = 166,862.26 × 44,681.72
  4. Step 4: Simplify right side
    111,241.58x = 7,455,693,085.34
  5. Step 5: Solve for x
    x = 7,455,693,085.34/111,241.58
  6. Step 6: Final answer
    x = 67,022.54

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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.