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Finding the Fourth Proportional to 216,767.31, 324,730.30 and 159,737.73

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Solution

The fourth proportional to 216,767.31, 324,730.30 and 159,737.73 is: 239,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,767.31 : 324,730.30 = 159,737.73 : x
  2. Step 2: Convert to fraction form
    216,767.31/324,730.30 = 159,737.73/x
  3. Step 3: Cross multiply
    216,767.31x = 324,730.30 × 159,737.73
  4. Step 4: Simplify right side
    216,767.31x = 51,871,678,561.88
  5. Step 5: Solve for x
    x = 51,871,678,561.88/216,767.31
  6. Step 6: Final answer
    x = 239,296.60

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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.