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Finding the Fourth Proportional to 217,696.40, 326,525.40 and 59,910.80

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Solution

The fourth proportional to 217,696.40, 326,525.40 and 59,910.80 is: 89,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,696.40 : 326,525.40 = 59,910.80 : x
  2. Step 2: Convert to fraction form
    217,696.40/326,525.40 = 59,910.80/x
  3. Step 3: Cross multiply
    217,696.40x = 326,525.40 × 59,910.80
  4. Step 4: Simplify right side
    217,696.40x = 19,562,397,934.32
  5. Step 5: Solve for x
    x = 19,562,397,934.32/217,696.40
  6. Step 6: Final answer
    x = 89,860.92

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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.