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Finding the Fourth Proportional to 117,267.17, 161,828.28 and 63,553.50

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Solution

The fourth proportional to 117,267.17, 161,828.28 and 63,553.50 is: 87,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,267.17 : 161,828.28 = 63,553.50 : x
  2. Step 2: Convert to fraction form
    117,267.17/161,828.28 = 63,553.50/x
  3. Step 3: Cross multiply
    117,267.17x = 161,828.28 × 63,553.50
  4. Step 4: Simplify right side
    117,267.17x = 10,284,753,592.98
  5. Step 5: Solve for x
    x = 10,284,753,592.98/117,267.17
  6. Step 6: Final answer
    x = 87,703.61

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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.