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Finding the Fourth Proportional to 83,251.75, 114,885.08 and 45,525.19

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Solution

The fourth proportional to 83,251.75, 114,885.08 and 45,525.19 is: 62,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,251.75 : 114,885.08 = 45,525.19 : x
  2. Step 2: Convert to fraction form
    83,251.75/114,885.08 = 45,525.19/x
  3. Step 3: Cross multiply
    83,251.75x = 114,885.08 × 45,525.19
  4. Step 4: Simplify right side
    83,251.75x = 5,230,164,751.05
  5. Step 5: Solve for x
    x = 5,230,164,751.05/83,251.75
  6. Step 6: Final answer
    x = 62,823.48

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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.