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Finding the Fourth Proportional to 176,503.37, 264,787.88 and 71,396.15

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Solution

The fourth proportional to 176,503.37, 264,787.88 and 71,396.15 is: 107,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,503.37 : 264,787.88 = 71,396.15 : x
  2. Step 2: Convert to fraction form
    176,503.37/264,787.88 = 71,396.15/x
  3. Step 3: Cross multiply
    176,503.37x = 264,787.88 × 71,396.15
  4. Step 4: Simplify right side
    176,503.37x = 18,904,833,517.74
  5. Step 5: Solve for x
    x = 18,904,833,517.74/176,503.37
  6. Step 6: Final answer
    x = 107,107.50

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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.