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Finding the Fourth Proportional to 363,584.93, 545,032.33 and 126,864.05

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Solution

The fourth proportional to 363,584.93, 545,032.33 and 126,864.05 is: 190,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,584.93 : 545,032.33 = 126,864.05 : x
  2. Step 2: Convert to fraction form
    363,584.93/545,032.33 = 126,864.05/x
  3. Step 3: Cross multiply
    363,584.93x = 545,032.33 × 126,864.05
  4. Step 4: Simplify right side
    363,584.93x = 69,145,005,722.41
  5. Step 5: Solve for x
    x = 69,145,005,722.41/363,584.93
  6. Step 6: Final answer
    x = 190,175.67

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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.