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Finding the Fourth Proportional to 102,394.52, 153,568.74 and 36,730.52

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Solution

The fourth proportional to 102,394.52, 153,568.74 and 36,730.52 is: 55,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,394.52 : 153,568.74 = 36,730.52 : x
  2. Step 2: Convert to fraction form
    102,394.52/153,568.74 = 36,730.52/x
  3. Step 3: Cross multiply
    102,394.52x = 153,568.74 × 36,730.52
  4. Step 4: Simplify right side
    102,394.52x = 5,640,659,675.94
  5. Step 5: Solve for x
    x = 5,640,659,675.94/102,394.52
  6. Step 6: Final answer
    x = 55,087.52

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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.