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Finding the Fourth Proportional to 119,751.80, 179,627.66 and 40,866.02

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Solution

The fourth proportional to 119,751.80, 179,627.66 and 40,866.02 is: 61,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,751.80 : 179,627.66 = 40,866.02 : x
  2. Step 2: Convert to fraction form
    119,751.80/179,627.66 = 40,866.02/x
  3. Step 3: Cross multiply
    119,751.80x = 179,627.66 × 40,866.02
  4. Step 4: Simplify right side
    119,751.80x = 7,340,667,546.11
  5. Step 5: Solve for x
    x = 7,340,667,546.11/119,751.80
  6. Step 6: Final answer
    x = 61,299.02

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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.