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Finding the Fourth Proportional to 174,398.39, 240,742.91 and 117,886.31

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Solution

The fourth proportional to 174,398.39, 240,742.91 and 117,886.31 is: 162,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,398.39 : 240,742.91 = 117,886.31 : x
  2. Step 2: Convert to fraction form
    174,398.39/240,742.91 = 117,886.31/x
  3. Step 3: Cross multiply
    174,398.39x = 240,742.91 × 117,886.31
  4. Step 4: Simplify right side
    174,398.39x = 28,380,293,318.56
  5. Step 5: Solve for x
    x = 28,380,293,318.56/174,398.39
  6. Step 6: Final answer
    x = 162,732.54

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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.