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Finding the Fourth Proportional to 110,675.71, 166,045.46 and 54,532.69

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Solution

The fourth proportional to 110,675.71, 166,045.46 and 54,532.69 is: 81,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,675.71 : 166,045.46 = 54,532.69 : x
  2. Step 2: Convert to fraction form
    110,675.71/166,045.46 = 54,532.69/x
  3. Step 3: Cross multiply
    110,675.71x = 166,045.46 × 54,532.69
  4. Step 4: Simplify right side
    110,675.71x = 9,054,904,908.31
  5. Step 5: Solve for x
    x = 9,054,904,908.31/110,675.71
  6. Step 6: Final answer
    x = 81,814.75

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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.