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Finding the Fourth Proportional to 217,673.28, 326,511.54 and 59,910.42

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Solution

The fourth proportional to 217,673.28, 326,511.54 and 59,910.42 is: 89,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,673.28 : 326,511.54 = 59,910.42 : x
  2. Step 2: Convert to fraction form
    217,673.28/326,511.54 = 59,910.42/x
  3. Step 3: Cross multiply
    217,673.28x = 326,511.54 × 59,910.42
  4. Step 4: Simplify right side
    217,673.28x = 19,561,443,496.25
  5. Step 5: Solve for x
    x = 19,561,443,496.25/217,673.28
  6. Step 6: Final answer
    x = 89,866.08

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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.