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Finding the Fourth Proportional to 73,613.40, 110,379.78 and 22,998.51

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Solution

The fourth proportional to 73,613.40, 110,379.78 and 22,998.51 is: 34,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,613.40 : 110,379.78 = 22,998.51 : x
  2. Step 2: Convert to fraction form
    73,613.40/110,379.78 = 22,998.51/x
  3. Step 3: Cross multiply
    73,613.40x = 110,379.78 × 22,998.51
  4. Step 4: Simplify right side
    73,613.40x = 2,538,570,474.13
  5. Step 5: Solve for x
    x = 2,538,570,474.13/73,613.40
  6. Step 6: Final answer
    x = 34,485.17

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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.