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Finding the Fourth Proportional to 119,888.10, 179,832.11 and 35,647.92

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Solution

The fourth proportional to 119,888.10, 179,832.11 and 35,647.92 is: 53,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,888.10 : 179,832.11 = 35,647.92 : x
  2. Step 2: Convert to fraction form
    119,888.10/179,832.11 = 35,647.92/x
  3. Step 3: Cross multiply
    119,888.10x = 179,832.11 × 35,647.92
  4. Step 4: Simplify right side
    119,888.10x = 6,410,640,492.47
  5. Step 5: Solve for x
    x = 6,410,640,492.47/119,888.10
  6. Step 6: Final answer
    x = 53,471.87

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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.