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Finding the Fourth Proportional to 106,539.57, 147,042 and 63,524.52

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Solution

The fourth proportional to 106,539.57, 147,042 and 63,524.52 is: 87,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,539.57 : 147,042 = 63,524.52 : x
  2. Step 2: Convert to fraction form
    106,539.57/147,042 = 63,524.52/x
  3. Step 3: Cross multiply
    106,539.57x = 147,042 × 63,524.52
  4. Step 4: Simplify right side
    106,539.57x = 9,340,772,469.84
  5. Step 5: Solve for x
    x = 9,340,772,469.84/106,539.57
  6. Step 6: Final answer
    x = 87,674.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.