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Finding the Fourth Proportional to 130,435.52, 179,995.87 and 73,846.89

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Solution

The fourth proportional to 130,435.52, 179,995.87 and 73,846.89 is: 101,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,435.52 : 179,995.87 = 73,846.89 : x
  2. Step 2: Convert to fraction form
    130,435.52/179,995.87 = 73,846.89/x
  3. Step 3: Cross multiply
    130,435.52x = 179,995.87 × 73,846.89
  4. Step 4: Simplify right side
    130,435.52x = 13,292,135,304.65
  5. Step 5: Solve for x
    x = 13,292,135,304.65/130,435.52
  6. Step 6: Final answer
    x = 101,905.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.