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Finding the Fourth Proportional to 61,169.16, 91,734.72 and 29,559.60

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Solution

The fourth proportional to 61,169.16, 91,734.72 and 29,559.60 is: 44,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,169.16 : 91,734.72 = 29,559.60 : x
  2. Step 2: Convert to fraction form
    61,169.16/91,734.72 = 29,559.60/x
  3. Step 3: Cross multiply
    61,169.16x = 91,734.72 × 29,559.60
  4. Step 4: Simplify right side
    61,169.16x = 2,711,641,629.31
  5. Step 5: Solve for x
    x = 2,711,641,629.31/61,169.16
  6. Step 6: Final answer
    x = 44,330.21

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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.