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Finding the Fourth Proportional to 119,751.30, 179,626.92 and 40,865.52

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Solution

The fourth proportional to 119,751.30, 179,626.92 and 40,865.52 is: 61,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,751.30 : 179,626.92 = 40,865.52 : x
  2. Step 2: Convert to fraction form
    119,751.30/179,626.92 = 40,865.52/x
  3. Step 3: Cross multiply
    119,751.30x = 179,626.92 × 40,865.52
  4. Step 4: Simplify right side
    119,751.30x = 7,340,547,491.80
  5. Step 5: Solve for x
    x = 7,340,547,491.80/119,751.30
  6. Step 6: Final answer
    x = 61,298.27

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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.