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Finding the Fourth Proportional to 176,787.36, 264,970.17 and 123,189.03

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Solution

The fourth proportional to 176,787.36, 264,970.17 and 123,189.03 is: 184,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,787.36 : 264,970.17 = 123,189.03 : x
  2. Step 2: Convert to fraction form
    176,787.36/264,970.17 = 123,189.03/x
  3. Step 3: Cross multiply
    176,787.36x = 264,970.17 × 123,189.03
  4. Step 4: Simplify right side
    176,787.36x = 32,641,418,221.24
  5. Step 5: Solve for x
    x = 32,641,418,221.24/176,787.36
  6. Step 6: Final answer
    x = 184,636.61

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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.