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Finding the Fourth Proportional to 177,777.92, 266,667.12 and 72,596.88

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Solution

The fourth proportional to 177,777.92, 266,667.12 and 72,596.88 is: 108,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,777.92 : 266,667.12 = 72,596.88 : x
  2. Step 2: Convert to fraction form
    177,777.92/266,667.12 = 72,596.88/x
  3. Step 3: Cross multiply
    177,777.92x = 266,667.12 × 72,596.88
  4. Step 4: Simplify right side
    177,777.92x = 19,359,200,910.59
  5. Step 5: Solve for x
    x = 19,359,200,910.59/177,777.92
  6. Step 6: Final answer
    x = 108,895.42

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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.