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Finding the Fourth Proportional to 298,166.23, 447,251.77 and 108,762.31

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Solution

The fourth proportional to 298,166.23, 447,251.77 and 108,762.31 is: 163,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,166.23 : 447,251.77 = 108,762.31 : x
  2. Step 2: Convert to fraction form
    298,166.23/447,251.77 = 108,762.31/x
  3. Step 3: Cross multiply
    298,166.23x = 447,251.77 × 108,762.31
  4. Step 4: Simplify right side
    298,166.23x = 48,644,135,656.79
  5. Step 5: Solve for x
    x = 48,644,135,656.79/298,166.23
  6. Step 6: Final answer
    x = 163,144.35

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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.