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Finding the Fourth Proportional to 130,096.81, 179,531.26 and 73,506.97

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Solution

The fourth proportional to 130,096.81, 179,531.26 and 73,506.97 is: 101,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,096.81 : 179,531.26 = 73,506.97 : x
  2. Step 2: Convert to fraction form
    130,096.81/179,531.26 = 73,506.97/x
  3. Step 3: Cross multiply
    130,096.81x = 179,531.26 × 73,506.97
  4. Step 4: Simplify right side
    130,096.81x = 13,196,798,942.88
  5. Step 5: Solve for x
    x = 13,196,798,942.88/130,096.81
  6. Step 6: Final answer
    x = 101,438.30

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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.