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Finding the Fourth Proportional to 186,745.10, 280,081.20 and 62,086.10

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Solution

The fourth proportional to 186,745.10, 280,081.20 and 62,086.10 is: 93,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,745.10 : 280,081.20 = 62,086.10 : x
  2. Step 2: Convert to fraction form
    186,745.10/280,081.20 = 62,086.10/x
  3. Step 3: Cross multiply
    186,745.10x = 280,081.20 × 62,086.10
  4. Step 4: Simplify right side
    186,745.10x = 17,389,149,391.32
  5. Step 5: Solve for x
    x = 17,389,149,391.32/186,745.10
  6. Step 6: Final answer
    x = 93,117.03

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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.