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Finding the Fourth Proportional to 73,410.07, 101,306 and 39,876.07

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Solution

The fourth proportional to 73,410.07, 101,306 and 39,876.07 is: 55,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,410.07 : 101,306 = 39,876.07 : x
  2. Step 2: Convert to fraction form
    73,410.07/101,306 = 39,876.07/x
  3. Step 3: Cross multiply
    73,410.07x = 101,306 × 39,876.07
  4. Step 4: Simplify right side
    73,410.07x = 4,039,685,147.42
  5. Step 5: Solve for x
    x = 4,039,685,147.42/73,410.07
  6. Step 6: Final answer
    x = 55,029.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.