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Finding the Fourth Proportional to 177,606.28, 266,409.44 and 72,433.48

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Solution

The fourth proportional to 177,606.28, 266,409.44 and 72,433.48 is: 108,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,606.28 : 266,409.44 = 72,433.48 : x
  2. Step 2: Convert to fraction form
    177,606.28/266,409.44 = 72,433.48/x
  3. Step 3: Cross multiply
    177,606.28x = 266,409.44 × 72,433.48
  4. Step 4: Simplify right side
    177,606.28x = 19,296,962,844.05
  5. Step 5: Solve for x
    x = 19,296,962,844.05/177,606.28
  6. Step 6: Final answer
    x = 108,650.23

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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.