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Finding the Fourth Proportional to 179,718, 269,530.82 and 53,328.34

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Solution

The fourth proportional to 179,718, 269,530.82 and 53,328.34 is: 79,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,718 : 269,530.82 = 53,328.34 : x
  2. Step 2: Convert to fraction form
    179,718/269,530.82 = 53,328.34/x
  3. Step 3: Cross multiply
    179,718x = 269,530.82 × 53,328.34
  4. Step 4: Simplify right side
    179,718x = 14,373,631,209.44
  5. Step 5: Solve for x
    x = 14,373,631,209.44/179,718
  6. Step 6: Final answer
    x = 79,978.81

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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.