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Finding the Fourth Proportional to 162,361.84, 224,049.68 and 89,760.38

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Solution

The fourth proportional to 162,361.84, 224,049.68 and 89,760.38 is: 123,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,361.84 : 224,049.68 = 89,760.38 : x
  2. Step 2: Convert to fraction form
    162,361.84/224,049.68 = 89,760.38/x
  3. Step 3: Cross multiply
    162,361.84x = 224,049.68 × 89,760.38
  4. Step 4: Simplify right side
    162,361.84x = 20,110,782,846.63
  5. Step 5: Solve for x
    x = 20,110,782,846.63/162,361.84
  6. Step 6: Final answer
    x = 123,863.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.