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Finding the Fourth Proportional to 216,846.01, 325,206.60 and 74,685.54

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Solution

The fourth proportional to 216,846.01, 325,206.60 and 74,685.54 is: 112,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,846.01 : 325,206.60 = 74,685.54 : x
  2. Step 2: Convert to fraction form
    216,846.01/325,206.60 = 74,685.54/x
  3. Step 3: Cross multiply
    216,846.01x = 325,206.60 × 74,685.54
  4. Step 4: Simplify right side
    216,846.01x = 24,288,231,472.02
  5. Step 5: Solve for x
    x = 24,288,231,472.02/216,846.01
  6. Step 6: Final answer
    x = 112,006.82

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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.