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Finding the Fourth Proportional to 168,063.60, 252,095.40 and 108,577.20

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Solution

The fourth proportional to 168,063.60, 252,095.40 and 108,577.20 is: 162,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,063.60 : 252,095.40 = 108,577.20 : x
  2. Step 2: Convert to fraction form
    168,063.60/252,095.40 = 108,577.20/x
  3. Step 3: Cross multiply
    168,063.60x = 252,095.40 × 108,577.20
  4. Step 4: Simplify right side
    168,063.60x = 27,371,812,664.88
  5. Step 5: Solve for x
    x = 27,371,812,664.88/168,063.60
  6. Step 6: Final answer
    x = 162,865.80

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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.