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Finding the Fourth Proportional to 181,900.98, 272,745.56 and 69,588.90

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Solution

The fourth proportional to 181,900.98, 272,745.56 and 69,588.90 is: 104,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,900.98 : 272,745.56 = 69,588.90 : x
  2. Step 2: Convert to fraction form
    181,900.98/272,745.56 = 69,588.90/x
  3. Step 3: Cross multiply
    181,900.98x = 272,745.56 × 69,588.90
  4. Step 4: Simplify right side
    181,900.98x = 18,980,063,152.34
  5. Step 5: Solve for x
    x = 18,980,063,152.34/181,900.98
  6. Step 6: Final answer
    x = 104,342.83

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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.