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Finding the Fourth Proportional to 177,606.53, 266,409.82 and 72,433.73

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Solution

The fourth proportional to 177,606.53, 266,409.82 and 72,433.73 is: 108,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,606.53 : 266,409.82 = 72,433.73 : x
  2. Step 2: Convert to fraction form
    177,606.53/266,409.82 = 72,433.73/x
  3. Step 3: Cross multiply
    177,606.53x = 266,409.82 × 72,433.73
  4. Step 4: Simplify right side
    177,606.53x = 19,297,056,609.06
  5. Step 5: Solve for x
    x = 19,297,056,609.06/177,606.53
  6. Step 6: Final answer
    x = 108,650.60

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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.