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Finding the Fourth Proportional to 176,551.62, 264,674.34 and 76,715.88

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Solution

The fourth proportional to 176,551.62, 264,674.34 and 76,715.88 is: 115,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,551.62 : 264,674.34 = 76,715.88 : x
  2. Step 2: Convert to fraction form
    176,551.62/264,674.34 = 76,715.88/x
  3. Step 3: Cross multiply
    176,551.62x = 264,674.34 × 76,715.88
  4. Step 4: Simplify right side
    176,551.62x = 20,304,724,906.52
  5. Step 5: Solve for x
    x = 20,304,724,906.52/176,551.62
  6. Step 6: Final answer
    x = 115,007.30

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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.