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Finding the Fourth Proportional to 73,279.96, 101,128.64 and 41,448.24

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Solution

The fourth proportional to 73,279.96, 101,128.64 and 41,448.24 is: 57,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,279.96 : 101,128.64 = 41,448.24 : x
  2. Step 2: Convert to fraction form
    73,279.96/101,128.64 = 41,448.24/x
  3. Step 3: Cross multiply
    73,279.96x = 101,128.64 × 41,448.24
  4. Step 4: Simplify right side
    73,279.96x = 4,191,604,141.59
  5. Step 5: Solve for x
    x = 4,191,604,141.59/73,279.96
  6. Step 6: Final answer
    x = 57,199.87

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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.