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Finding the Fourth Proportional to 188,354.18, 282,500.22 and 61,996.07

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Solution

The fourth proportional to 188,354.18, 282,500.22 and 61,996.07 is: 92,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,354.18 : 282,500.22 = 61,996.07 : x
  2. Step 2: Convert to fraction form
    188,354.18/282,500.22 = 61,996.07/x
  3. Step 3: Cross multiply
    188,354.18x = 282,500.22 × 61,996.07
  4. Step 4: Simplify right side
    188,354.18x = 17,513,903,414.14
  5. Step 5: Solve for x
    x = 17,513,903,414.14/188,354.18
  6. Step 6: Final answer
    x = 92,983.89

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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.