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Finding the Fourth Proportional to 236,489.40, 354,734.10 and 110,129.40

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Solution

The fourth proportional to 236,489.40, 354,734.10 and 110,129.40 is: 165,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,489.40 : 354,734.10 = 110,129.40 : x
  2. Step 2: Convert to fraction form
    236,489.40/354,734.10 = 110,129.40/x
  3. Step 3: Cross multiply
    236,489.40x = 354,734.10 × 110,129.40
  4. Step 4: Simplify right side
    236,489.40x = 39,066,653,592.54
  5. Step 5: Solve for x
    x = 39,066,653,592.54/236,489.40
  6. Step 6: Final answer
    x = 165,194.10

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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.