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Finding the Fourth Proportional to 224,738.40, 337,156.20 and 74,953.20

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Solution

The fourth proportional to 224,738.40, 337,156.20 and 74,953.20 is: 112,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,738.40 : 337,156.20 = 74,953.20 : x
  2. Step 2: Convert to fraction form
    224,738.40/337,156.20 = 74,953.20/x
  3. Step 3: Cross multiply
    224,738.40x = 337,156.20 × 74,953.20
  4. Step 4: Simplify right side
    224,738.40x = 25,270,936,089.84
  5. Step 5: Solve for x
    x = 25,270,936,089.84/224,738.40
  6. Step 6: Final answer
    x = 112,446.01

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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.