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Finding the Fourth Proportional to 191,809.08, 264,524.94 and 120,196.92

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Solution

The fourth proportional to 191,809.08, 264,524.94 and 120,196.92 is: 165,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,809.08 : 264,524.94 = 120,196.92 : x
  2. Step 2: Convert to fraction form
    191,809.08/264,524.94 = 120,196.92/x
  3. Step 3: Cross multiply
    191,809.08x = 264,524.94 × 120,196.92
  4. Step 4: Simplify right side
    191,809.08x = 31,795,083,051.18
  5. Step 5: Solve for x
    x = 31,795,083,051.18/191,809.08
  6. Step 6: Final answer
    x = 165,764.22

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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.