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Finding the Fourth Proportional to 83,250.63, 114,809.21 and 54,559.84

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Solution

The fourth proportional to 83,250.63, 114,809.21 and 54,559.84 is: 75,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,250.63 : 114,809.21 = 54,559.84 : x
  2. Step 2: Convert to fraction form
    83,250.63/114,809.21 = 54,559.84/x
  3. Step 3: Cross multiply
    83,250.63x = 114,809.21 × 54,559.84
  4. Step 4: Simplify right side
    83,250.63x = 6,263,971,568.30
  5. Step 5: Solve for x
    x = 6,263,971,568.30/83,250.63
  6. Step 6: Final answer
    x = 75,242.33

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1.5x scale

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.