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Finding the Fourth Proportional to 170,537.60, 255,660.54 and 65,432

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Solution

The fourth proportional to 170,537.60, 255,660.54 and 65,432 is: 98,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,537.60 : 255,660.54 = 65,432 : x
  2. Step 2: Convert to fraction form
    170,537.60/255,660.54 = 65,432/x
  3. Step 3: Cross multiply
    170,537.60x = 255,660.54 × 65,432
  4. Step 4: Simplify right side
    170,537.60x = 16,728,380,453.28
  5. Step 5: Solve for x
    x = 16,728,380,453.28/170,537.60
  6. Step 6: Final answer
    x = 98,092.04

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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.