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Finding the Fourth Proportional to 217,675.98, 326,573.06 and 91,249.76

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Solution

The fourth proportional to 217,675.98, 326,573.06 and 91,249.76 is: 136,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,675.98 : 326,573.06 = 91,249.76 : x
  2. Step 2: Convert to fraction form
    217,675.98/326,573.06 = 91,249.76/x
  3. Step 3: Cross multiply
    217,675.98x = 326,573.06 × 91,249.76
  4. Step 4: Simplify right side
    217,675.98x = 29,799,713,347.47
  5. Step 5: Solve for x
    x = 29,799,713,347.47/217,675.98
  6. Step 6: Final answer
    x = 136,899.41

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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.