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Finding the Fourth Proportional to 117,269.61, 161,832.00 and 63,554.61

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Solution

The fourth proportional to 117,269.61, 161,832.00 and 63,554.61 is: 87,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,269.61 : 161,832.00 = 63,554.61 : x
  2. Step 2: Convert to fraction form
    117,269.61/161,832.00 = 63,554.61/x
  3. Step 3: Cross multiply
    117,269.61x = 161,832.00 × 63,554.61
  4. Step 4: Simplify right side
    117,269.61x = 10,285,170,490.72
  5. Step 5: Solve for x
    x = 10,285,170,490.72/117,269.61
  6. Step 6: Final answer
    x = 87,705.34

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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.