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Finding the Fourth Proportional to 168,734.19, 253,494.95 and 98,662.71

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Solution

The fourth proportional to 168,734.19, 253,494.95 and 98,662.71 is: 148,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,734.19 : 253,494.95 = 98,662.71 : x
  2. Step 2: Convert to fraction form
    168,734.19/253,494.95 = 98,662.71/x
  3. Step 3: Cross multiply
    168,734.19x = 253,494.95 × 98,662.71
  4. Step 4: Simplify right side
    168,734.19x = 25,010,498,245.00
  5. Step 5: Solve for x
    x = 25,010,498,245.00/168,734.19
  6. Step 6: Final answer
    x = 148,224.25

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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.