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Finding the Fourth Proportional to 235,594.88, 353,317.44 and 77,793.92

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Solution

The fourth proportional to 235,594.88, 353,317.44 and 77,793.92 is: 116,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,594.88 : 353,317.44 = 77,793.92 : x
  2. Step 2: Convert to fraction form
    235,594.88/353,317.44 = 77,793.92/x
  3. Step 3: Cross multiply
    235,594.88x = 353,317.44 × 77,793.92
  4. Step 4: Simplify right side
    235,594.88x = 27,485,948,661.96
  5. Step 5: Solve for x
    x = 27,485,948,661.96/235,594.88
  6. Step 6: Final answer
    x = 116,666.15

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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.