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Finding the Fourth Proportional to 101,202.21, 151,835.72 and 48,615.39

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Solution

The fourth proportional to 101,202.21, 151,835.72 and 48,615.39 is: 72,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,202.21 : 151,835.72 = 48,615.39 : x
  2. Step 2: Convert to fraction form
    101,202.21/151,835.72 = 48,615.39/x
  3. Step 3: Cross multiply
    101,202.21x = 151,835.72 × 48,615.39
  4. Step 4: Simplify right side
    101,202.21x = 7,381,552,500.65
  5. Step 5: Solve for x
    x = 7,381,552,500.65/101,202.21
  6. Step 6: Final answer
    x = 72,938.65

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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.