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Finding the Fourth Proportional to 275,117.96, 412,713.66 and 108,867.08

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Solution

The fourth proportional to 275,117.96, 412,713.66 and 108,867.08 is: 163,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,117.96 : 412,713.66 = 108,867.08 : x
  2. Step 2: Convert to fraction form
    275,117.96/412,713.66 = 108,867.08/x
  3. Step 3: Cross multiply
    275,117.96x = 412,713.66 × 108,867.08
  4. Step 4: Simplify right side
    275,117.96x = 44,930,931,040.31
  5. Step 5: Solve for x
    x = 44,930,931,040.31/275,117.96
  6. Step 6: Final answer
    x = 163,315.15

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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.