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Finding the Fourth Proportional to 73,396, 101,286.48 and 45,100.96

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Solution

The fourth proportional to 73,396, 101,286.48 and 45,100.96 is: 62,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,396 : 101,286.48 = 45,100.96 : x
  2. Step 2: Convert to fraction form
    73,396/101,286.48 = 45,100.96/x
  3. Step 3: Cross multiply
    73,396x = 101,286.48 × 45,100.96
  4. Step 4: Simplify right side
    73,396x = 4,568,117,483.02
  5. Step 5: Solve for x
    x = 4,568,117,483.02/73,396
  6. Step 6: Final answer
    x = 62,239.32

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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.