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Finding the Fourth Proportional to 169,576.10, 254,400.60 and 51,259.40

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Solution

The fourth proportional to 169,576.10, 254,400.60 and 51,259.40 is: 76,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,576.10 : 254,400.60 = 51,259.40 : x
  2. Step 2: Convert to fraction form
    169,576.10/254,400.60 = 51,259.40/x
  3. Step 3: Cross multiply
    169,576.10x = 254,400.60 × 51,259.40
  4. Step 4: Simplify right side
    169,576.10x = 13,040,422,115.64
  5. Step 5: Solve for x
    x = 13,040,422,115.64/169,576.10
  6. Step 6: Final answer
    x = 76,900.12

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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.