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Finding the Fourth Proportional to 234,435.52, 323,520.63 and 127,006

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Solution

The fourth proportional to 234,435.52, 323,520.63 and 127,006 is: 175,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,435.52 : 323,520.63 = 127,006 : x
  2. Step 2: Convert to fraction form
    234,435.52/323,520.63 = 127,006/x
  3. Step 3: Cross multiply
    234,435.52x = 323,520.63 × 127,006
  4. Step 4: Simplify right side
    234,435.52x = 41,089,061,133.78
  5. Step 5: Solve for x
    x = 41,089,061,133.78/234,435.52
  6. Step 6: Final answer
    x = 175,268.07

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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.