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Finding the Fourth Proportional to 236,543.40, 354,815.10 and 169,842.60

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Solution

The fourth proportional to 236,543.40, 354,815.10 and 169,842.60 is: 254,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,543.40 : 354,815.10 = 169,842.60 : x
  2. Step 2: Convert to fraction form
    236,543.40/354,815.10 = 169,842.60/x
  3. Step 3: Cross multiply
    236,543.40x = 354,815.10 × 169,842.60
  4. Step 4: Simplify right side
    236,543.40x = 60,262,719,103.26
  5. Step 5: Solve for x
    x = 60,262,719,103.26/236,543.40
  6. Step 6: Final answer
    x = 254,763.90

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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.