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Finding the Fourth Proportional to 181,858.52, 272,787.78 and 55,499.42

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Solution

The fourth proportional to 181,858.52, 272,787.78 and 55,499.42 is: 83,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,858.52 : 272,787.78 = 55,499.42 : x
  2. Step 2: Convert to fraction form
    181,858.52/272,787.78 = 55,499.42/x
  3. Step 3: Cross multiply
    181,858.52x = 272,787.78 × 55,499.42
  4. Step 4: Simplify right side
    181,858.52x = 15,139,562,928.75
  5. Step 5: Solve for x
    x = 15,139,562,928.75/181,858.52
  6. Step 6: Final answer
    x = 83,249.13

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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.