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Finding the Fourth Proportional to 168,804.18, 232,840.02 and 108,278.97

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Solution

The fourth proportional to 168,804.18, 232,840.02 and 108,278.97 is: 149,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,804.18 : 232,840.02 = 108,278.97 : x
  2. Step 2: Convert to fraction form
    168,804.18/232,840.02 = 108,278.97/x
  3. Step 3: Cross multiply
    168,804.18x = 232,840.02 × 108,278.97
  4. Step 4: Simplify right side
    168,804.18x = 25,211,677,540.38
  5. Step 5: Solve for x
    x = 25,211,677,540.38/168,804.18
  6. Step 6: Final answer
    x = 149,354.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.