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Finding the Fourth Proportional to 176,474.01, 264,760.43 and 71,366.79

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Solution

The fourth proportional to 176,474.01, 264,760.43 and 71,366.79 is: 107,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,474.01 : 264,760.43 = 71,366.79 : x
  2. Step 2: Convert to fraction form
    176,474.01/264,760.43 = 71,366.79/x
  3. Step 3: Cross multiply
    176,474.01x = 264,760.43 × 71,366.79
  4. Step 4: Simplify right side
    176,474.01x = 18,895,102,008.12
  5. Step 5: Solve for x
    x = 18,895,102,008.12/176,474.01
  6. Step 6: Final answer
    x = 107,070.17

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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.