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Finding the Fourth Proportional to 181,172.82, 270,539.21 and 147,958.77

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Solution

The fourth proportional to 181,172.82, 270,539.21 and 147,958.77 is: 220,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,172.82 : 270,539.21 = 147,958.77 : x
  2. Step 2: Convert to fraction form
    181,172.82/270,539.21 = 147,958.77/x
  3. Step 3: Cross multiply
    181,172.82x = 270,539.21 × 147,958.77
  4. Step 4: Simplify right side
    181,172.82x = 40,028,648,008.58
  5. Step 5: Solve for x
    x = 40,028,648,008.58/181,172.82
  6. Step 6: Final answer
    x = 220,941.79

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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.