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Finding the Fourth Proportional to 186,796.13, 280,191.56 and 86,900.45

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Solution

The fourth proportional to 186,796.13, 280,191.56 and 86,900.45 is: 130,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,796.13 : 280,191.56 = 86,900.45 : x
  2. Step 2: Convert to fraction form
    186,796.13/280,191.56 = 86,900.45/x
  3. Step 3: Cross multiply
    186,796.13x = 280,191.56 × 86,900.45
  4. Step 4: Simplify right side
    186,796.13x = 24,348,770,814.74
  5. Step 5: Solve for x
    x = 24,348,770,814.74/186,796.13
  6. Step 6: Final answer
    x = 130,349.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.