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Finding the Fourth Proportional to 217,673.98, 326,570.06 and 91,247.76

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Solution

The fourth proportional to 217,673.98, 326,570.06 and 91,247.76 is: 136,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,673.98 : 326,570.06 = 91,247.76 : x
  2. Step 2: Convert to fraction form
    217,673.98/326,570.06 = 91,247.76/x
  3. Step 3: Cross multiply
    217,673.98x = 326,570.06 × 91,247.76
  4. Step 4: Simplify right side
    217,673.98x = 29,798,786,458.07
  5. Step 5: Solve for x
    x = 29,798,786,458.07/217,673.98
  6. Step 6: Final answer
    x = 136,896.41

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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.