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Finding the Fourth Proportional to 119,576.64, 179,363.28 and 40,745.88

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Solution

The fourth proportional to 119,576.64, 179,363.28 and 40,745.88 is: 61,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,576.64 : 179,363.28 = 40,745.88 : x
  2. Step 2: Convert to fraction form
    119,576.64/179,363.28 = 40,745.88/x
  3. Step 3: Cross multiply
    119,576.64x = 179,363.28 × 40,745.88
  4. Step 4: Simplify right side
    119,576.64x = 7,308,314,683.29
  5. Step 5: Solve for x
    x = 7,308,314,683.29/119,576.64
  6. Step 6: Final answer
    x = 61,118.25

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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.