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Finding the Fourth Proportional to 168,305.76, 232,245.84 and 92,849.40

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Solution

The fourth proportional to 168,305.76, 232,245.84 and 92,849.40 is: 128,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,305.76 : 232,245.84 = 92,849.40 : x
  2. Step 2: Convert to fraction form
    168,305.76/232,245.84 = 92,849.40/x
  3. Step 3: Cross multiply
    168,305.76x = 232,245.84 × 92,849.40
  4. Step 4: Simplify right side
    168,305.76x = 21,563,886,896.50
  5. Step 5: Solve for x
    x = 21,563,886,896.50/168,305.76
  6. Step 6: Final answer
    x = 128,123.29

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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.