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Finding the Fourth Proportional to 181,292.80, 271,939.20 and 114,516.40

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Solution

The fourth proportional to 181,292.80, 271,939.20 and 114,516.40 is: 171,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,292.80 : 271,939.20 = 114,516.40 : x
  2. Step 2: Convert to fraction form
    181,292.80/271,939.20 = 114,516.40/x
  3. Step 3: Cross multiply
    181,292.80x = 271,939.20 × 114,516.40
  4. Step 4: Simplify right side
    181,292.80x = 31,141,498,202.88
  5. Step 5: Solve for x
    x = 31,141,498,202.88/181,292.80
  6. Step 6: Final answer
    x = 171,774.60

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1.5x scale

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.