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Finding the Fourth Proportional to 181,967.76, 272,951.64 and 71,082

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Solution

The fourth proportional to 181,967.76, 272,951.64 and 71,082 is: 106,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,967.76 : 272,951.64 = 71,082 : x
  2. Step 2: Convert to fraction form
    181,967.76/272,951.64 = 71,082/x
  3. Step 3: Cross multiply
    181,967.76x = 272,951.64 × 71,082
  4. Step 4: Simplify right side
    181,967.76x = 19,401,948,474.48
  5. Step 5: Solve for x
    x = 19,401,948,474.48/181,967.76
  6. Step 6: Final answer
    x = 106,623.00

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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.