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Finding the Fourth Proportional to 182,557.21, 273,866.96 and 81,391.98

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Solution

The fourth proportional to 182,557.21, 273,866.96 and 81,391.98 is: 122,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,557.21 : 273,866.96 = 81,391.98 : x
  2. Step 2: Convert to fraction form
    182,557.21/273,866.96 = 81,391.98/x
  3. Step 3: Cross multiply
    182,557.21x = 273,866.96 × 81,391.98
  4. Step 4: Simplify right side
    182,557.21x = 22,290,574,130.98
  5. Step 5: Solve for x
    x = 22,290,574,130.98/182,557.21
  6. Step 6: Final answer
    x = 122,101.86

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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.