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Finding the Fourth Proportional to 101,222.69, 151,926.18 and 53,877.55

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Solution

The fourth proportional to 101,222.69, 151,926.18 and 53,877.55 is: 80,865.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,222.69 : 151,926.18 = 53,877.55 : x
  2. Step 2: Convert to fraction form
    101,222.69/151,926.18 = 53,877.55/x
  3. Step 3: Cross multiply
    101,222.69x = 151,926.18 × 53,877.55
  4. Step 4: Simplify right side
    101,222.69x = 8,185,409,599.63
  5. Step 5: Solve for x
    x = 8,185,409,599.63/101,222.69
  6. Step 6: Final answer
    x = 80,865.37

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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.