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Finding the Fourth Proportional to 73,544.10, 102,739.80 and 73,544.10

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Solution

The fourth proportional to 73,544.10, 102,739.80 and 73,544.10 is: 102,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,544.10 : 102,739.80 = 73,544.10 : x
  2. Step 2: Convert to fraction form
    73,544.10/102,739.80 = 73,544.10/x
  3. Step 3: Cross multiply
    73,544.10x = 102,739.80 × 73,544.10
  4. Step 4: Simplify right side
    73,544.10x = 7,555,906,125.18
  5. Step 5: Solve for x
    x = 7,555,906,125.18/73,544.10
  6. Step 6: Final answer
    x = 102,739.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.