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Finding the Fourth Proportional to 170,900.97, 256,182.97 and 60,015.21

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Solution

The fourth proportional to 170,900.97, 256,182.97 and 60,015.21 is: 89,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,900.97 : 256,182.97 = 60,015.21 : x
  2. Step 2: Convert to fraction form
    170,900.97/256,182.97 = 60,015.21/x
  3. Step 3: Cross multiply
    170,900.97x = 256,182.97 × 60,015.21
  4. Step 4: Simplify right side
    170,900.97x = 15,374,874,742.97
  5. Step 5: Solve for x
    x = 15,374,874,742.97/170,900.97
  6. Step 6: Final answer
    x = 89,963.65

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1.5x scale

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.