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Finding the Fourth Proportional to 177,507.15, 266,260.73 and 107,523.15

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Solution

The fourth proportional to 177,507.15, 266,260.73 and 107,523.15 is: 161,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,507.15 : 266,260.73 = 107,523.15 : x
  2. Step 2: Convert to fraction form
    177,507.15/266,260.73 = 107,523.15/x
  3. Step 3: Cross multiply
    177,507.15x = 266,260.73 × 107,523.15
  4. Step 4: Simplify right side
    177,507.15x = 28,629,191,873.28
  5. Step 5: Solve for x
    x = 28,629,191,873.28/177,507.15
  6. Step 6: Final answer
    x = 161,284.73

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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.