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Finding the Fourth Proportional to 74,448.54, 102,941.01 and 73,246.68

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Solution

The fourth proportional to 74,448.54, 102,941.01 and 73,246.68 is: 101,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,448.54 : 102,941.01 = 73,246.68 : x
  2. Step 2: Convert to fraction form
    74,448.54/102,941.01 = 73,246.68/x
  3. Step 3: Cross multiply
    74,448.54x = 102,941.01 × 73,246.68
  4. Step 4: Simplify right side
    74,448.54x = 7,540,087,218.35
  5. Step 5: Solve for x
    x = 7,540,087,218.35/74,448.54
  6. Step 6: Final answer
    x = 101,279.18

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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.