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Finding the Fourth Proportional to 73,940, 102,001.52 and 48,435.24

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Solution

The fourth proportional to 73,940, 102,001.52 and 48,435.24 is: 66,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,940 : 102,001.52 = 48,435.24 : x
  2. Step 2: Convert to fraction form
    73,940/102,001.52 = 48,435.24/x
  3. Step 3: Cross multiply
    73,940x = 102,001.52 × 48,435.24
  4. Step 4: Simplify right side
    73,940x = 4,940,468,101.56
  5. Step 5: Solve for x
    x = 4,940,468,101.56/73,940
  6. Step 6: Final answer
    x = 66,817.26

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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.