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Finding the Fourth Proportional to 245,713.50, 368,399.22 and 108,862.32

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Solution

The fourth proportional to 245,713.50, 368,399.22 and 108,862.32 is: 163,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,713.50 : 368,399.22 = 108,862.32 : x
  2. Step 2: Convert to fraction form
    245,713.50/368,399.22 = 108,862.32/x
  3. Step 3: Cross multiply
    245,713.50x = 368,399.22 × 108,862.32
  4. Step 4: Simplify right side
    245,713.50x = 40,104,793,775.39
  5. Step 5: Solve for x
    x = 40,104,793,775.39/245,713.50
  6. Step 6: Final answer
    x = 163,217.71

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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.