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Finding the Fourth Proportional to 123,760.68, 185,648.44 and 35,020.92

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Solution

The fourth proportional to 123,760.68, 185,648.44 and 35,020.92 is: 52,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,760.68 : 185,648.44 = 35,020.92 : x
  2. Step 2: Convert to fraction form
    123,760.68/185,648.44 = 35,020.92/x
  3. Step 3: Cross multiply
    123,760.68x = 185,648.44 × 35,020.92
  4. Step 4: Simplify right side
    123,760.68x = 6,501,579,165.36
  5. Step 5: Solve for x
    x = 6,501,579,165.36/123,760.68
  6. Step 6: Final answer
    x = 52,533.48

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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.