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Finding the Fourth Proportional to 161,479.00, 242,243.10 and 82,566.58

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Solution

The fourth proportional to 161,479.00, 242,243.10 and 82,566.58 is: 123,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,479.00 : 242,243.10 = 82,566.58 : x
  2. Step 2: Convert to fraction form
    161,479.00/242,243.10 = 82,566.58/x
  3. Step 3: Cross multiply
    161,479.00x = 242,243.10 × 82,566.58
  4. Step 4: Simplify right side
    161,479.00x = 20,001,183,084.38
  5. Step 5: Solve for x
    x = 20,001,183,084.38/161,479.00
  6. Step 6: Final answer
    x = 123,862.44

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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.