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Finding the Fourth Proportional to 123,637.48, 185,456.64 and 34,891.48

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Solution

The fourth proportional to 123,637.48, 185,456.64 and 34,891.48 is: 52,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,637.48 : 185,456.64 = 34,891.48 : x
  2. Step 2: Convert to fraction form
    123,637.48/185,456.64 = 34,891.48/x
  3. Step 3: Cross multiply
    123,637.48x = 185,456.64 × 34,891.48
  4. Step 4: Simplify right side
    123,637.48x = 6,470,856,645.43
  5. Step 5: Solve for x
    x = 6,470,856,645.43/123,637.48
  6. Step 6: Final answer
    x = 52,337.34

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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.