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Finding the Fourth Proportional to 101,222.82, 151,926.35 and 53,877.65

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Solution

The fourth proportional to 101,222.82, 151,926.35 and 53,877.65 is: 80,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,222.82 : 151,926.35 = 53,877.65 : x
  2. Step 2: Convert to fraction form
    101,222.82/151,926.35 = 53,877.65/x
  3. Step 3: Cross multiply
    101,222.82x = 151,926.35 × 53,877.65
  4. Step 4: Simplify right side
    101,222.82x = 8,185,433,682.06
  5. Step 5: Solve for x
    x = 8,185,433,682.06/101,222.82
  6. Step 6: Final answer
    x = 80,865.50

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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.