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Finding the Fourth Proportional to 177,601.40, 266,175.30 and 72,301.40

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Solution

The fourth proportional to 177,601.40, 266,175.30 and 72,301.40 is: 108,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,601.40 : 266,175.30 = 72,301.40 : x
  2. Step 2: Convert to fraction form
    177,601.40/266,175.30 = 72,301.40/x
  3. Step 3: Cross multiply
    177,601.40x = 266,175.30 × 72,301.40
  4. Step 4: Simplify right side
    177,601.40x = 19,244,846,835.42
  5. Step 5: Solve for x
    x = 19,244,846,835.42/177,601.40
  6. Step 6: Final answer
    x = 108,359.77

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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.