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Finding the Fourth Proportional to 165,327.68, 248,007.84 and 52,979.60

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Solution

The fourth proportional to 165,327.68, 248,007.84 and 52,979.60 is: 79,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,327.68 : 248,007.84 = 52,979.60 : x
  2. Step 2: Convert to fraction form
    165,327.68/248,007.84 = 52,979.60/x
  3. Step 3: Cross multiply
    165,327.68x = 248,007.84 × 52,979.60
  4. Step 4: Simplify right side
    165,327.68x = 13,139,356,160.06
  5. Step 5: Solve for x
    x = 13,139,356,160.06/165,327.68
  6. Step 6: Final answer
    x = 79,474.63

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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.