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Finding the Fourth Proportional to 236,167.56, 354,174.30 and 78,353.64

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Solution

The fourth proportional to 236,167.56, 354,174.30 and 78,353.64 is: 117,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,167.56 : 354,174.30 = 78,353.64 : x
  2. Step 2: Convert to fraction form
    236,167.56/354,174.30 = 78,353.64/x
  3. Step 3: Cross multiply
    236,167.56x = 354,174.30 × 78,353.64
  4. Step 4: Simplify right side
    236,167.56x = 27,750,845,599.45
  5. Step 5: Solve for x
    x = 27,750,845,599.45/236,167.56
  6. Step 6: Final answer
    x = 117,504.90

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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.