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Finding the Fourth Proportional to 81,596.00, 112,610.57 and 54,794.31

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Solution

The fourth proportional to 81,596.00, 112,610.57 and 54,794.31 is: 75,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,596.00 : 112,610.57 = 54,794.31 : x
  2. Step 2: Convert to fraction form
    81,596.00/112,610.57 = 54,794.31/x
  3. Step 3: Cross multiply
    81,596.00x = 112,610.57 × 54,794.31
  4. Step 4: Simplify right side
    81,596.00x = 6,170,418,207.89
  5. Step 5: Solve for x
    x = 6,170,418,207.89/81,596.00
  6. Step 6: Final answer
    x = 75,621.58

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1.5x scale

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.