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Finding the Fourth Proportional to 101,211.77, 151,711.82 and 34,629.53

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Solution

The fourth proportional to 101,211.77, 151,711.82 and 34,629.53 is: 51,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,211.77 : 151,711.82 = 34,629.53 : x
  2. Step 2: Convert to fraction form
    101,211.77/151,711.82 = 34,629.53/x
  3. Step 3: Cross multiply
    101,211.77x = 151,711.82 × 34,629.53
  4. Step 4: Simplify right side
    101,211.77x = 5,253,708,848.90
  5. Step 5: Solve for x
    x = 5,253,708,848.90/101,211.77
  6. Step 6: Final answer
    x = 51,908.08

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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.