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Finding the Fourth Proportional to 181,677.80, 272,562.78 and 119,469.80

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Solution

The fourth proportional to 181,677.80, 272,562.78 and 119,469.80 is: 179,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,677.80 : 272,562.78 = 119,469.80 : x
  2. Step 2: Convert to fraction form
    181,677.80/272,562.78 = 119,469.80/x
  3. Step 3: Cross multiply
    181,677.80x = 272,562.78 × 119,469.80
  4. Step 4: Simplify right side
    181,677.80x = 32,563,020,814.04
  5. Step 5: Solve for x
    x = 32,563,020,814.04/181,677.80
  6. Step 6: Final answer
    x = 179,235.00

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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.