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Finding the Fourth Proportional to 83,396.36, 125,094.80 and 20,216.23

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Solution

The fourth proportional to 83,396.36, 125,094.80 and 20,216.23 is: 30,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,396.36 : 125,094.80 = 20,216.23 : x
  2. Step 2: Convert to fraction form
    83,396.36/125,094.80 = 20,216.23/x
  3. Step 3: Cross multiply
    83,396.36x = 125,094.80 × 20,216.23
  4. Step 4: Simplify right side
    83,396.36x = 2,528,944,834.79
  5. Step 5: Solve for x
    x = 2,528,944,834.79/83,396.36
  6. Step 6: Final answer
    x = 30,324.40

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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.