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Finding the Fourth Proportional to 224,039.17, 309,171.20 and 122,068.87

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Solution

The fourth proportional to 224,039.17, 309,171.20 and 122,068.87 is: 168,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,039.17 : 309,171.20 = 122,068.87 : x
  2. Step 2: Convert to fraction form
    224,039.17/309,171.20 = 122,068.87/x
  3. Step 3: Cross multiply
    224,039.17x = 309,171.20 × 122,068.87
  4. Step 4: Simplify right side
    224,039.17x = 37,740,179,020.54
  5. Step 5: Solve for x
    x = 37,740,179,020.54/224,039.17
  6. Step 6: Final answer
    x = 168,453.49

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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.