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Finding the Fourth Proportional to 168,762.66, 253,144 and 50,430.18

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Solution

The fourth proportional to 168,762.66, 253,144 and 50,430.18 is: 75,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,762.66 : 253,144 = 50,430.18 : x
  2. Step 2: Convert to fraction form
    168,762.66/253,144 = 50,430.18/x
  3. Step 3: Cross multiply
    168,762.66x = 253,144 × 50,430.18
  4. Step 4: Simplify right side
    168,762.66x = 12,766,097,485.92
  5. Step 5: Solve for x
    x = 12,766,097,485.92/168,762.66
  6. Step 6: Final answer
    x = 75,645.27

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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.