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Finding the Fourth Proportional to 242,899.41, 335,336.70 and 170,524.40

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Solution

The fourth proportional to 242,899.41, 335,336.70 and 170,524.40 is: 235,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,899.41 : 335,336.70 = 170,524.40 : x
  2. Step 2: Convert to fraction form
    242,899.41/335,336.70 = 170,524.40/x
  3. Step 3: Cross multiply
    242,899.41x = 335,336.70 × 170,524.40
  4. Step 4: Simplify right side
    242,899.41x = 57,183,089,565.48
  5. Step 5: Solve for x
    x = 57,183,089,565.48/242,899.41
  6. Step 6: Final answer
    x = 235,418.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.