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Finding the Fourth Proportional to 236,187.56, 354,204.30 and 78,373.64

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Solution

The fourth proportional to 236,187.56, 354,204.30 and 78,373.64 is: 117,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,187.56 : 354,204.30 = 78,373.64 : x
  2. Step 2: Convert to fraction form
    236,187.56/354,204.30 = 78,373.64/x
  3. Step 3: Cross multiply
    236,187.56x = 354,204.30 × 78,373.64
  4. Step 4: Simplify right side
    236,187.56x = 27,760,280,294.65
  5. Step 5: Solve for x
    x = 27,760,280,294.65/236,187.56
  6. Step 6: Final answer
    x = 117,534.90

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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.