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Finding the Fourth Proportional to 275,109.96, 412,701.66 and 108,859.08

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Solution

The fourth proportional to 275,109.96, 412,701.66 and 108,859.08 is: 163,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,109.96 : 412,701.66 = 108,859.08 : x
  2. Step 2: Convert to fraction form
    275,109.96/412,701.66 = 108,859.08/x
  3. Step 3: Cross multiply
    275,109.96x = 412,701.66 × 108,859.08
  4. Step 4: Simplify right side
    275,109.96x = 44,926,323,022.07
  5. Step 5: Solve for x
    x = 44,926,323,022.07/275,109.96
  6. Step 6: Final answer
    x = 163,303.15

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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.