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Finding the Fourth Proportional to 266,481.72, 367,701.12 and 157,570.92

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Solution

The fourth proportional to 266,481.72, 367,701.12 and 157,570.92 is: 217,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,481.72 : 367,701.12 = 157,570.92 : x
  2. Step 2: Convert to fraction form
    266,481.72/367,701.12 = 157,570.92/x
  3. Step 3: Cross multiply
    266,481.72x = 367,701.12 × 157,570.92
  4. Step 4: Simplify right side
    266,481.72x = 57,939,003,763.43
  5. Step 5: Solve for x
    x = 57,939,003,763.43/266,481.72
  6. Step 6: Final answer
    x = 217,422.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.