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Finding the Fourth Proportional to 181,173.82, 270,540.70 and 147,959.77

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Solution

The fourth proportional to 181,173.82, 270,540.70 and 147,959.77 is: 220,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,173.82 : 270,540.70 = 147,959.77 : x
  2. Step 2: Convert to fraction form
    181,173.82/270,540.70 = 147,959.77/x
  3. Step 3: Cross multiply
    181,173.82x = 270,540.70 × 147,959.77
  4. Step 4: Simplify right side
    181,173.82x = 40,029,139,747.64
  5. Step 5: Solve for x
    x = 40,029,139,747.64/181,173.82
  6. Step 6: Final answer
    x = 220,943.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.