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Finding the Fourth Proportional to 227,588.40, 341,382.60 and 122,612.40

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Solution

The fourth proportional to 227,588.40, 341,382.60 and 122,612.40 is: 183,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,588.40 : 341,382.60 = 122,612.40 : x
  2. Step 2: Convert to fraction form
    227,588.40/341,382.60 = 122,612.40/x
  3. Step 3: Cross multiply
    227,588.40x = 341,382.60 × 122,612.40
  4. Step 4: Simplify right side
    227,588.40x = 41,857,739,904.24
  5. Step 5: Solve for x
    x = 41,857,739,904.24/227,588.40
  6. Step 6: Final answer
    x = 183,918.60

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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.