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Finding the Fourth Proportional to 168,445.86, 232,455.63 and 91,964.98

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Solution

The fourth proportional to 168,445.86, 232,455.63 and 91,964.98 is: 126,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,445.86 : 232,455.63 = 91,964.98 : x
  2. Step 2: Convert to fraction form
    168,445.86/232,455.63 = 91,964.98/x
  3. Step 3: Cross multiply
    168,445.86x = 232,455.63 × 91,964.98
  4. Step 4: Simplify right side
    168,445.86x = 21,377,777,363.84
  5. Step 5: Solve for x
    x = 21,377,777,363.84/168,445.86
  6. Step 6: Final answer
    x = 126,911.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.