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Finding the Fourth Proportional to 168,388.98, 252,449.34 and 97,230.94

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Solution

The fourth proportional to 168,388.98, 252,449.34 and 97,230.94 is: 145,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,388.98 : 252,449.34 = 97,230.94 : x
  2. Step 2: Convert to fraction form
    168,388.98/252,449.34 = 97,230.94/x
  3. Step 3: Cross multiply
    168,388.98x = 252,449.34 × 97,230.94
  4. Step 4: Simplify right side
    168,388.98x = 24,545,886,630.58
  5. Step 5: Solve for x
    x = 24,545,886,630.58/168,388.98
  6. Step 6: Final answer
    x = 145,768.96

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1.5x scale

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.