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Finding the Fourth Proportional to 235,087.50, 352,630.53 and 85,327.62

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Solution

The fourth proportional to 235,087.50, 352,630.53 and 85,327.62 is: 127,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,087.50 : 352,630.53 = 85,327.62 : x
  2. Step 2: Convert to fraction form
    235,087.50/352,630.53 = 85,327.62/x
  3. Step 3: Cross multiply
    235,087.50x = 352,630.53 × 85,327.62
  4. Step 4: Simplify right side
    235,087.50x = 30,089,123,864.24
  5. Step 5: Solve for x
    x = 30,089,123,864.24/235,087.50
  6. Step 6: Final answer
    x = 127,991.17

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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.