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Finding the Fourth Proportional to 224,046.80, 336,070.20 and 112,072.40

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Solution

The fourth proportional to 224,046.80, 336,070.20 and 112,072.40 is: 168,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,046.80 : 336,070.20 = 112,072.40 : x
  2. Step 2: Convert to fraction form
    224,046.80/336,070.20 = 112,072.40/x
  3. Step 3: Cross multiply
    224,046.80x = 336,070.20 × 112,072.40
  4. Step 4: Simplify right side
    224,046.80x = 37,664,193,882.48
  5. Step 5: Solve for x
    x = 37,664,193,882.48/224,046.80
  6. Step 6: Final answer
    x = 168,108.60

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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.