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Finding the Fourth Proportional to 161,992.80, 242,816.40 and 62,114.40

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Solution

The fourth proportional to 161,992.80, 242,816.40 and 62,114.40 is: 93,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,992.80 : 242,816.40 = 62,114.40 : x
  2. Step 2: Convert to fraction form
    161,992.80/242,816.40 = 62,114.40/x
  3. Step 3: Cross multiply
    161,992.80x = 242,816.40 × 62,114.40
  4. Step 4: Simplify right side
    161,992.80x = 15,082,394,996.16
  5. Step 5: Solve for x
    x = 15,082,394,996.16/161,992.80
  6. Step 6: Final answer
    x = 93,105.34

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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.