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Finding the Fourth Proportional to 186,094.82, 279,169.91 and 86,265.11

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Solution

The fourth proportional to 186,094.82, 279,169.91 and 86,265.11 is: 129,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,094.82 : 279,169.91 = 86,265.11 : x
  2. Step 2: Convert to fraction form
    186,094.82/279,169.91 = 86,265.11/x
  3. Step 3: Cross multiply
    186,094.82x = 279,169.91 × 86,265.11
  4. Step 4: Simplify right side
    186,094.82x = 24,082,622,499.84
  5. Step 5: Solve for x
    x = 24,082,622,499.84/186,094.82
  6. Step 6: Final answer
    x = 129,410.49

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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.