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Finding the Fourth Proportional to 181,422.30, 272,133.99 and 55,063.56

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Solution

The fourth proportional to 181,422.30, 272,133.99 and 55,063.56 is: 82,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,422.30 : 272,133.99 = 55,063.56 : x
  2. Step 2: Convert to fraction form
    181,422.30/272,133.99 = 55,063.56/x
  3. Step 3: Cross multiply
    181,422.30x = 272,133.99 × 55,063.56
  4. Step 4: Simplify right side
    181,422.30x = 14,984,666,286.40
  5. Step 5: Solve for x
    x = 14,984,666,286.40/181,422.30
  6. Step 6: Final answer
    x = 82,595.50

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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.