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Finding the Fourth Proportional to 73,499.64, 110,110.72 and 43,424.14

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Solution

The fourth proportional to 73,499.64, 110,110.72 and 43,424.14 is: 65,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,499.64 : 110,110.72 = 43,424.14 : x
  2. Step 2: Convert to fraction form
    73,499.64/110,110.72 = 43,424.14/x
  3. Step 3: Cross multiply
    73,499.64x = 110,110.72 × 43,424.14
  4. Step 4: Simplify right side
    73,499.64x = 4,781,462,915.14
  5. Step 5: Solve for x
    x = 4,781,462,915.14/73,499.64
  6. Step 6: Final answer
    x = 65,054.24

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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.