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Finding the Fourth Proportional to 84,596.62, 116,753.70 and 48,786.62

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Solution

The fourth proportional to 84,596.62, 116,753.70 and 48,786.62 is: 67,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,596.62 : 116,753.70 = 48,786.62 : x
  2. Step 2: Convert to fraction form
    84,596.62/116,753.70 = 48,786.62/x
  3. Step 3: Cross multiply
    84,596.62x = 116,753.70 × 48,786.62
  4. Step 4: Simplify right side
    84,596.62x = 5,696,018,395.49
  5. Step 5: Solve for x
    x = 5,696,018,395.49/84,596.62
  6. Step 6: Final answer
    x = 67,331.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.