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Finding the Fourth Proportional to 235,924.12, 353,418 and 111,352.60

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Solution

The fourth proportional to 235,924.12, 353,418 and 111,352.60 is: 166,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,924.12 : 353,418 = 111,352.60 : x
  2. Step 2: Convert to fraction form
    235,924.12/353,418 = 111,352.60/x
  3. Step 3: Cross multiply
    235,924.12x = 353,418 × 111,352.60
  4. Step 4: Simplify right side
    235,924.12x = 39,354,013,186.80
  5. Step 5: Solve for x
    x = 39,354,013,186.80/235,924.12
  6. Step 6: Final answer
    x = 166,807.93

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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.