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Finding the Fourth Proportional to 235,908.96, 353,608.89 and 115,826.25

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Solution

The fourth proportional to 235,908.96, 353,608.89 and 115,826.25 is: 173,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,908.96 : 353,608.89 = 115,826.25 : x
  2. Step 2: Convert to fraction form
    235,908.96/353,608.89 = 115,826.25/x
  3. Step 3: Cross multiply
    235,908.96x = 353,608.89 × 115,826.25
  4. Step 4: Simplify right side
    235,908.96x = 40,957,191,695.36
  5. Step 5: Solve for x
    x = 40,957,191,695.36/235,908.96
  6. Step 6: Final answer
    x = 173,614.40

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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.