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Finding the Fourth Proportional to 179,774.63, 269,764.98 and 73,138.91

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Solution

The fourth proportional to 179,774.63, 269,764.98 and 73,138.91 is: 109,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,774.63 : 269,764.98 = 73,138.91 : x
  2. Step 2: Convert to fraction form
    179,774.63/269,764.98 = 73,138.91/x
  3. Step 3: Cross multiply
    179,774.63x = 269,764.98 × 73,138.91
  4. Step 4: Simplify right side
    179,774.63x = 19,730,316,593.37
  5. Step 5: Solve for x
    x = 19,730,316,593.37/179,774.63
  6. Step 6: Final answer
    x = 109,750.28

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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.