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Finding the Fourth Proportional to 216,006.44, 323,541.66 and 156,711.20

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Solution

The fourth proportional to 216,006.44, 323,541.66 and 156,711.20 is: 234,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,006.44 : 323,541.66 = 156,711.20 : x
  2. Step 2: Convert to fraction form
    216,006.44/323,541.66 = 156,711.20/x
  3. Step 3: Cross multiply
    216,006.44x = 323,541.66 × 156,711.20
  4. Step 4: Simplify right side
    216,006.44x = 50,702,600,170.88
  5. Step 5: Solve for x
    x = 50,702,600,170.88/216,006.44
  6. Step 6: Final answer
    x = 234,727.27

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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.