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Finding the Fourth Proportional to 91,652, 137,433.72 and 35,450.96

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Solution

The fourth proportional to 91,652, 137,433.72 and 35,450.96 is: 53,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,652 : 137,433.72 = 35,450.96 : x
  2. Step 2: Convert to fraction form
    91,652/137,433.72 = 35,450.96/x
  3. Step 3: Cross multiply
    91,652x = 137,433.72 × 35,450.96
  4. Step 4: Simplify right side
    91,652x = 4,872,157,310.37
  5. Step 5: Solve for x
    x = 4,872,157,310.37/91,652
  6. Step 6: Final answer
    x = 53,159.31

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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.