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Finding the Fourth Proportional to 177,593.40, 266,163.30 and 72,293.40

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Solution

The fourth proportional to 177,593.40, 266,163.30 and 72,293.40 is: 108,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,593.40 : 266,163.30 = 72,293.40 : x
  2. Step 2: Convert to fraction form
    177,593.40/266,163.30 = 72,293.40/x
  3. Step 3: Cross multiply
    177,593.40x = 266,163.30 × 72,293.40
  4. Step 4: Simplify right side
    177,593.40x = 19,241,849,912.22
  5. Step 5: Solve for x
    x = 19,241,849,912.22/177,593.40
  6. Step 6: Final answer
    x = 108,347.78

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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.