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Finding the Fourth Proportional to 119,357.82, 179,023.38 and 30,613.44

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Solution

The fourth proportional to 119,357.82, 179,023.38 and 30,613.44 is: 45,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,357.82 : 179,023.38 = 30,613.44 : x
  2. Step 2: Convert to fraction form
    119,357.82/179,023.38 = 30,613.44/x
  3. Step 3: Cross multiply
    119,357.82x = 179,023.38 × 30,613.44
  4. Step 4: Simplify right side
    119,357.82x = 5,480,521,502.23
  5. Step 5: Solve for x
    x = 5,480,521,502.23/119,357.82
  6. Step 6: Final answer
    x = 45,916.74

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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.