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Finding the Fourth Proportional to 165,876.56, 248,814.84 and 55,068.56

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Solution

The fourth proportional to 165,876.56, 248,814.84 and 55,068.56 is: 82,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,876.56 : 248,814.84 = 55,068.56 : x
  2. Step 2: Convert to fraction form
    165,876.56/248,814.84 = 55,068.56/x
  3. Step 3: Cross multiply
    165,876.56x = 248,814.84 × 55,068.56
  4. Step 4: Simplify right side
    165,876.56x = 13,701,875,773.97
  5. Step 5: Solve for x
    x = 13,701,875,773.97/165,876.56
  6. Step 6: Final answer
    x = 82,602.84

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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.