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Finding the Fourth Proportional to 188,270.48, 282,460.38 and 75,892.70

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Solution

The fourth proportional to 188,270.48, 282,460.38 and 75,892.70 is: 113,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,270.48 : 282,460.38 = 75,892.70 : x
  2. Step 2: Convert to fraction form
    188,270.48/282,460.38 = 75,892.70/x
  3. Step 3: Cross multiply
    188,270.48x = 282,460.38 × 75,892.70
  4. Step 4: Simplify right side
    188,270.48x = 21,436,680,881.23
  5. Step 5: Solve for x
    x = 21,436,680,881.23/188,270.48
  6. Step 6: Final answer
    x = 113,861.08

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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.