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Finding the Fourth Proportional to 91,644.78, 137,467.08 and 25,085.46

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Solution

The fourth proportional to 91,644.78, 137,467.08 and 25,085.46 is: 37,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,644.78 : 137,467.08 = 25,085.46 : x
  2. Step 2: Convert to fraction form
    91,644.78/137,467.08 = 25,085.46/x
  3. Step 3: Cross multiply
    91,644.78x = 137,467.08 × 25,085.46
  4. Step 4: Simplify right side
    91,644.78x = 3,448,424,936.66
  5. Step 5: Solve for x
    x = 3,448,424,936.66/91,644.78
  6. Step 6: Final answer
    x = 37,628.17

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Similar ratio
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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.