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Finding the Fourth Proportional to 180,279.93, 270,426.65 and 53,921.82

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Solution

The fourth proportional to 180,279.93, 270,426.65 and 53,921.82 is: 80,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,279.93 : 270,426.65 = 53,921.82 : x
  2. Step 2: Convert to fraction form
    180,279.93/270,426.65 = 53,921.82/x
  3. Step 3: Cross multiply
    180,279.93x = 270,426.65 × 53,921.82
  4. Step 4: Simplify right side
    180,279.93x = 14,581,896,874.89
  5. Step 5: Solve for x
    x = 14,581,896,874.89/180,279.93
  6. Step 6: Final answer
    x = 80,884.75

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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.