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Finding the Fourth Proportional to 119,165.44, 178,475.92 and 56,879.68

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Solution

The fourth proportional to 119,165.44, 178,475.92 and 56,879.68 is: 85,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,165.44 : 178,475.92 = 56,879.68 : x
  2. Step 2: Convert to fraction form
    119,165.44/178,475.92 = 56,879.68/x
  3. Step 3: Cross multiply
    119,165.44x = 178,475.92 × 56,879.68
  4. Step 4: Simplify right side
    119,165.44x = 10,151,653,217.31
  5. Step 5: Solve for x
    x = 10,151,653,217.31/119,165.44
  6. Step 6: Final answer
    x = 85,189.58

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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.