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Finding the Fourth Proportional to 186,110.25, 278,943.03 and 67,717.14

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Solution

The fourth proportional to 186,110.25, 278,943.03 and 67,717.14 is: 101,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,110.25 : 278,943.03 = 67,717.14 : x
  2. Step 2: Convert to fraction form
    186,110.25/278,943.03 = 67,717.14/x
  3. Step 3: Cross multiply
    186,110.25x = 278,943.03 × 67,717.14
  4. Step 4: Simplify right side
    186,110.25x = 18,889,224,214.53
  5. Step 5: Solve for x
    x = 18,889,224,214.53/186,110.25
  6. Step 6: Final answer
    x = 101,494.81

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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.