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Finding the Fourth Proportional to 115,770.40, 173,660.40 and 36,882.40

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Solution

The fourth proportional to 115,770.40, 173,660.40 and 36,882.40 is: 55,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,770.40 : 173,660.40 = 36,882.40 : x
  2. Step 2: Convert to fraction form
    115,770.40/173,660.40 = 36,882.40/x
  3. Step 3: Cross multiply
    115,770.40x = 173,660.40 × 36,882.40
  4. Step 4: Simplify right side
    115,770.40x = 6,405,012,336.96
  5. Step 5: Solve for x
    x = 6,405,012,336.96/115,770.40
  6. Step 6: Final answer
    x = 55,325.13

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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.