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Finding the Fourth Proportional to 115,833.36, 173,759.76 and 36,958.80

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Solution

The fourth proportional to 115,833.36, 173,759.76 and 36,958.80 is: 55,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,833.36 : 173,759.76 = 36,958.80 : x
  2. Step 2: Convert to fraction form
    115,833.36/173,759.76 = 36,958.80/x
  3. Step 3: Cross multiply
    115,833.36x = 173,759.76 × 36,958.80
  4. Step 4: Simplify right side
    115,833.36x = 6,421,952,217.89
  5. Step 5: Solve for x
    x = 6,421,952,217.89/115,833.36
  6. Step 6: Final answer
    x = 55,441.30

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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.