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Finding the Fourth Proportional to 164,896.55, 247,013.13 and 124,983.80

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Solution

The fourth proportional to 164,896.55, 247,013.13 and 124,983.80 is: 187,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,896.55 : 247,013.13 = 124,983.80 : x
  2. Step 2: Convert to fraction form
    164,896.55/247,013.13 = 124,983.80/x
  3. Step 3: Cross multiply
    164,896.55x = 247,013.13 × 124,983.80
  4. Step 4: Simplify right side
    164,896.55x = 30,872,639,637.29
  5. Step 5: Solve for x
    x = 30,872,639,637.29/164,896.55
  6. Step 6: Final answer
    x = 187,224.29

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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.