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Finding the Fourth Proportional to 124,936.84, 187,348.92 and 61,732.31

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Solution

The fourth proportional to 124,936.84, 187,348.92 and 61,732.31 is: 92,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,936.84 : 187,348.92 = 61,732.31 : x
  2. Step 2: Convert to fraction form
    124,936.84/187,348.92 = 61,732.31/x
  3. Step 3: Cross multiply
    124,936.84x = 187,348.92 × 61,732.31
  4. Step 4: Simplify right side
    124,936.84x = 11,565,480,439.36
  5. Step 5: Solve for x
    x = 11,565,480,439.36/124,936.84
  6. Step 6: Final answer
    x = 92,570.62

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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.