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Finding the Fourth Proportional to 130,049.56, 179,479.38 and 73,471.24

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Solution

The fourth proportional to 130,049.56, 179,479.38 and 73,471.24 is: 101,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,049.56 : 179,479.38 = 73,471.24 : x
  2. Step 2: Convert to fraction form
    130,049.56/179,479.38 = 73,471.24/x
  3. Step 3: Cross multiply
    130,049.56x = 179,479.38 × 73,471.24
  4. Step 4: Simplify right side
    130,049.56x = 13,186,572,603.03
  5. Step 5: Solve for x
    x = 13,186,572,603.03/130,049.56
  6. Step 6: Final answer
    x = 101,396.52

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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.