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Finding the Fourth Proportional to 101,183.20, 151,774.80 and 94,271.20

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Solution

The fourth proportional to 101,183.20, 151,774.80 and 94,271.20 is: 141,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,183.20 : 151,774.80 = 94,271.20 : x
  2. Step 2: Convert to fraction form
    101,183.20/151,774.80 = 94,271.20/x
  3. Step 3: Cross multiply
    101,183.20x = 151,774.80 × 94,271.20
  4. Step 4: Simplify right side
    101,183.20x = 14,307,992,525.76
  5. Step 5: Solve for x
    x = 14,307,992,525.76/101,183.20
  6. Step 6: Final answer
    x = 141,406.80

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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.