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Finding the Fourth Proportional to 192,420.83, 288,508.98 and 168,775.86

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Solution

The fourth proportional to 192,420.83, 288,508.98 and 168,775.86 is: 253,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,420.83 : 288,508.98 = 168,775.86 : x
  2. Step 2: Convert to fraction form
    192,420.83/288,508.98 = 168,775.86/x
  3. Step 3: Cross multiply
    192,420.83x = 288,508.98 × 168,775.86
  4. Step 4: Simplify right side
    192,420.83x = 48,693,351,217.22
  5. Step 5: Solve for x
    x = 48,693,351,217.22/192,420.83
  6. Step 6: Final answer
    x = 253,056.56

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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.