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Finding the Fourth Proportional to 224,601.30, 309,936.51 and 122,606.46

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Solution

The fourth proportional to 224,601.30, 309,936.51 and 122,606.46 is: 169,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,601.30 : 309,936.51 = 122,606.46 : x
  2. Step 2: Convert to fraction form
    224,601.30/309,936.51 = 122,606.46/x
  3. Step 3: Cross multiply
    224,601.30x = 309,936.51 × 122,606.46
  4. Step 4: Simplify right side
    224,601.30x = 38,000,218,315.85
  5. Step 5: Solve for x
    x = 38,000,218,315.85/224,601.30
  6. Step 6: Final answer
    x = 169,189.66

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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.