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Finding the Fourth Proportional to 216,035.37, 323,966.40 and 89,589.71

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Solution

The fourth proportional to 216,035.37, 323,966.40 and 89,589.71 is: 134,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,035.37 : 323,966.40 = 89,589.71 : x
  2. Step 2: Convert to fraction form
    216,035.37/323,966.40 = 89,589.71/x
  3. Step 3: Cross multiply
    216,035.37x = 323,966.40 × 89,589.71
  4. Step 4: Simplify right side
    216,035.37x = 29,024,056,635.66
  5. Step 5: Solve for x
    x = 29,024,056,635.66/216,035.37
  6. Step 6: Final answer
    x = 134,348.63

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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.