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Finding the Fourth Proportional to 83,230.96, 124,845.84 and 33,322.58

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Solution

The fourth proportional to 83,230.96, 124,845.84 and 33,322.58 is: 49,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,230.96 : 124,845.84 = 33,322.58 : x
  2. Step 2: Convert to fraction form
    83,230.96/124,845.84 = 33,322.58/x
  3. Step 3: Cross multiply
    83,230.96x = 124,845.84 × 33,322.58
  4. Step 4: Simplify right side
    83,230.96x = 4,160,185,491.07
  5. Step 5: Solve for x
    x = 4,160,185,491.07/83,230.96
  6. Step 6: Final answer
    x = 49,983.63

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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.