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Finding the Fourth Proportional to 181,451.40, 271,658.70 and 160,715.40

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Solution

The fourth proportional to 181,451.40, 271,658.70 and 160,715.40 is: 240,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,451.40 : 271,658.70 = 160,715.40 : x
  2. Step 2: Convert to fraction form
    181,451.40/271,658.70 = 160,715.40/x
  3. Step 3: Cross multiply
    181,451.40x = 271,658.70 × 160,715.40
  4. Step 4: Simplify right side
    181,451.40x = 43,659,736,633.98
  5. Step 5: Solve for x
    x = 43,659,736,633.98/181,451.40
  6. Step 6: Final answer
    x = 240,613.94

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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.