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Finding the Fourth Proportional to 130,049.12, 179,467.98 and 73,460.64

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Solution

The fourth proportional to 130,049.12, 179,467.98 and 73,460.64 is: 101,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,049.12 : 179,467.98 = 73,460.64 : x
  2. Step 2: Convert to fraction form
    130,049.12/179,467.98 = 73,460.64/x
  3. Step 3: Cross multiply
    130,049.12x = 179,467.98 × 73,460.64
  4. Step 4: Simplify right side
    130,049.12x = 13,183,832,670.31
  5. Step 5: Solve for x
    x = 13,183,832,670.31/130,049.12
  6. Step 6: Final answer
    x = 101,375.79

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