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Finding the Fourth Proportional to 91,701.84, 137,553.22 and 41,747

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Solution

The fourth proportional to 91,701.84, 137,553.22 and 41,747 is: 62,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,701.84 : 137,553.22 = 41,747 : x
  2. Step 2: Convert to fraction form
    91,701.84/137,553.22 = 41,747/x
  3. Step 3: Cross multiply
    91,701.84x = 137,553.22 × 41,747
  4. Step 4: Simplify right side
    91,701.84x = 5,742,434,275.34
  5. Step 5: Solve for x
    x = 5,742,434,275.34/91,701.84
  6. Step 6: Final answer
    x = 62,620.71

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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.