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Finding the Fourth Proportional to 168,751.60, 253,002.12 and 102,175.90

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Solution

The fourth proportional to 168,751.60, 253,002.12 and 102,175.90 is: 153,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,751.60 : 253,002.12 = 102,175.90 : x
  2. Step 2: Convert to fraction form
    168,751.60/253,002.12 = 102,175.90/x
  3. Step 3: Cross multiply
    168,751.60x = 253,002.12 × 102,175.90
  4. Step 4: Simplify right side
    168,751.60x = 25,850,719,312.91
  5. Step 5: Solve for x
    x = 25,850,719,312.91/168,751.60
  6. Step 6: Final answer
    x = 153,188.00

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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.