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Finding the Fourth Proportional to 224,376.62, 309,640.62 and 122,404.26

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Solution

The fourth proportional to 224,376.62, 309,640.62 and 122,404.26 is: 168,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,376.62 : 309,640.62 = 122,404.26 : x
  2. Step 2: Convert to fraction form
    224,376.62/309,640.62 = 122,404.26/x
  3. Step 3: Cross multiply
    224,376.62x = 309,640.62 × 122,404.26
  4. Step 4: Simplify right side
    224,376.62x = 37,901,330,957.04
  5. Step 5: Solve for x
    x = 37,901,330,957.04/224,376.62
  6. Step 6: Final answer
    x = 168,918.36

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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.