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Finding the Fourth Proportional to 132,563.00, 182,936.12 and 72,133.89

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Solution

The fourth proportional to 132,563.00, 182,936.12 and 72,133.89 is: 99,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,563.00 : 182,936.12 = 72,133.89 : x
  2. Step 2: Convert to fraction form
    132,563.00/182,936.12 = 72,133.89/x
  3. Step 3: Cross multiply
    132,563.00x = 182,936.12 × 72,133.89
  4. Step 4: Simplify right side
    132,563.00x = 13,195,893,596.44
  5. Step 5: Solve for x
    x = 13,195,893,596.44/132,563.00
  6. Step 6: Final answer
    x = 99,544.32

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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.