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Finding the Fourth Proportional to 101,146, 151,515.72 and 50,392.02

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Solution

The fourth proportional to 101,146, 151,515.72 and 50,392.02 is: 75,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,146 : 151,515.72 = 50,392.02 : x
  2. Step 2: Convert to fraction form
    101,146/151,515.72 = 50,392.02/x
  3. Step 3: Cross multiply
    101,146x = 151,515.72 × 50,392.02
  4. Step 4: Simplify right side
    101,146x = 7,635,183,192.55
  5. Step 5: Solve for x
    x = 7,635,183,192.55/101,146
  6. Step 6: Final answer
    x = 75,486.75

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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.