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Finding the Fourth Proportional to 181,285.80, 271,928.70 and 114,509.40

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Solution

The fourth proportional to 181,285.80, 271,928.70 and 114,509.40 is: 171,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,285.80 : 271,928.70 = 114,509.40 : x
  2. Step 2: Convert to fraction form
    181,285.80/271,928.70 = 114,509.40/x
  3. Step 3: Cross multiply
    181,285.80x = 271,928.70 × 114,509.40
  4. Step 4: Simplify right side
    181,285.80x = 31,138,392,279.78
  5. Step 5: Solve for x
    x = 31,138,392,279.78/181,285.80
  6. Step 6: Final answer
    x = 171,764.10

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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.