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Finding the Fourth Proportional to 235,791.18, 353,620.89 and 93,572.46

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Solution

The fourth proportional to 235,791.18, 353,620.89 and 93,572.46 is: 140,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,791.18 : 353,620.89 = 93,572.46 : x
  2. Step 2: Convert to fraction form
    235,791.18/353,620.89 = 93,572.46/x
  3. Step 3: Cross multiply
    235,791.18x = 353,620.89 × 93,572.46
  4. Step 4: Simplify right side
    235,791.18x = 33,089,176,584.69
  5. Step 5: Solve for x
    x = 33,089,176,584.69/235,791.18
  6. Step 6: Final answer
    x = 140,332.55

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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.