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Finding the Fourth Proportional to 91,524.94, 137,497.43 and 64,936.49

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Solution

The fourth proportional to 91,524.94, 137,497.43 and 64,936.49 is: 97,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,524.94 : 137,497.43 = 64,936.49 : x
  2. Step 2: Convert to fraction form
    91,524.94/137,497.43 = 64,936.49/x
  3. Step 3: Cross multiply
    91,524.94x = 137,497.43 × 64,936.49
  4. Step 4: Simplify right side
    91,524.94x = 8,928,599,963.07
  5. Step 5: Solve for x
    x = 8,928,599,963.07/91,524.94
  6. Step 6: Final answer
    x = 97,553.74

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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.