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Finding the Fourth Proportional to 181,506.80, 271,871.40 and 118,521.20

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Solution

The fourth proportional to 181,506.80, 271,871.40 and 118,521.20 is: 177,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,506.80 : 271,871.40 = 118,521.20 : x
  2. Step 2: Convert to fraction form
    181,506.80/271,871.40 = 118,521.20/x
  3. Step 3: Cross multiply
    181,506.80x = 271,871.40 × 118,521.20
  4. Step 4: Simplify right side
    181,506.80x = 32,222,524,573.68
  5. Step 5: Solve for x
    x = 32,222,524,573.68/181,506.80
  6. Step 6: Final answer
    x = 177,527.92

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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.