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Finding the Fourth Proportional to 181,892.70, 272,839.05 and 118,907.10

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Solution

The fourth proportional to 181,892.70, 272,839.05 and 118,907.10 is: 178,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,892.70 : 272,839.05 = 118,907.10 : x
  2. Step 2: Convert to fraction form
    181,892.70/272,839.05 = 118,907.10/x
  3. Step 3: Cross multiply
    181,892.70x = 272,839.05 × 118,907.10
  4. Step 4: Simplify right side
    181,892.70x = 32,442,500,202.26
  5. Step 5: Solve for x
    x = 32,442,500,202.26/181,892.70
  6. Step 6: Final answer
    x = 178,360.65

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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.