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Finding the Fourth Proportional to 235,627.89, 353,474.66 and 75,708.65

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Solution

The fourth proportional to 235,627.89, 353,474.66 and 75,708.65 is: 113,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,627.89 : 353,474.66 = 75,708.65 : x
  2. Step 2: Convert to fraction form
    235,627.89/353,474.66 = 75,708.65/x
  3. Step 3: Cross multiply
    235,627.89x = 353,474.66 × 75,708.65
  4. Step 4: Simplify right side
    235,627.89x = 26,761,089,317.81
  5. Step 5: Solve for x
    x = 26,761,089,317.81/235,627.89
  6. Step 6: Final answer
    x = 113,573.52

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1.5x scale

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.