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Finding the Fourth Proportional to 179,889.39, 269,809.49 and 53,549.15

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Solution

The fourth proportional to 179,889.39, 269,809.49 and 53,549.15 is: 80,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,889.39 : 269,809.49 = 53,549.15 : x
  2. Step 2: Convert to fraction form
    179,889.39/269,809.49 = 53,549.15/x
  3. Step 3: Cross multiply
    179,889.39x = 269,809.49 × 53,549.15
  4. Step 4: Simplify right side
    179,889.39x = 14,448,067,636.26
  5. Step 5: Solve for x
    x = 14,448,067,636.26/179,889.39
  6. Step 6: Final answer
    x = 80,316.40

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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.