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Finding the Fourth Proportional to 101,203.71, 151,837.97 and 48,616.89

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Solution

The fourth proportional to 101,203.71, 151,837.97 and 48,616.89 is: 72,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,203.71 : 151,837.97 = 48,616.89 : x
  2. Step 2: Convert to fraction form
    101,203.71/151,837.97 = 48,616.89/x
  3. Step 3: Cross multiply
    101,203.71x = 151,837.97 × 48,616.89
  4. Step 4: Simplify right side
    101,203.71x = 7,381,889,642.23
  5. Step 5: Solve for x
    x = 7,381,889,642.23/101,203.71
  6. Step 6: Final answer
    x = 72,940.90

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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.