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Finding the Fourth Proportional to 168,630.18, 252,978.48 and 50,298.90

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Solution

The fourth proportional to 168,630.18, 252,978.48 and 50,298.90 is: 75,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,630.18 : 252,978.48 = 50,298.90 : x
  2. Step 2: Convert to fraction form
    168,630.18/252,978.48 = 50,298.90/x
  3. Step 3: Cross multiply
    168,630.18x = 252,978.48 × 50,298.90
  4. Step 4: Simplify right side
    168,630.18x = 12,724,539,267.67
  5. Step 5: Solve for x
    x = 12,724,539,267.67/168,630.18
  6. Step 6: Final answer
    x = 75,458.26

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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.