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Finding the Fourth Proportional to 250,106.99, 374,891.49 and 108,019.35

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Solution

The fourth proportional to 250,106.99, 374,891.49 and 108,019.35 is: 161,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,106.99 : 374,891.49 = 108,019.35 : x
  2. Step 2: Convert to fraction form
    250,106.99/374,891.49 = 108,019.35/x
  3. Step 3: Cross multiply
    250,106.99x = 374,891.49 × 108,019.35
  4. Step 4: Simplify right side
    250,106.99x = 40,495,535,070.33
  5. Step 5: Solve for x
    x = 40,495,535,070.33/250,106.99
  6. Step 6: Final answer
    x = 161,912.85

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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.