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Finding the Fourth Proportional to 94,450, 141,699.36 and 35,286.08

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Solution

The fourth proportional to 94,450, 141,699.36 and 35,286.08 is: 52,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,450 : 141,699.36 = 35,286.08 : x
  2. Step 2: Convert to fraction form
    94,450/141,699.36 = 35,286.08/x
  3. Step 3: Cross multiply
    94,450x = 141,699.36 × 35,286.08
  4. Step 4: Simplify right side
    94,450x = 5,000,014,952.91
  5. Step 5: Solve for x
    x = 5,000,014,952.91/94,450
  6. Step 6: Final answer
    x = 52,938.22

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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.