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Finding the Fourth Proportional to 73,835.70, 101,857.79 and 48,330.83

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Solution

The fourth proportional to 73,835.70, 101,857.79 and 48,330.83 is: 66,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,835.70 : 101,857.79 = 48,330.83 : x
  2. Step 2: Convert to fraction form
    73,835.70/101,857.79 = 48,330.83/x
  3. Step 3: Cross multiply
    73,835.70x = 101,857.79 × 48,330.83
  4. Step 4: Simplify right side
    73,835.70x = 4,922,870,781.72
  5. Step 5: Solve for x
    x = 4,922,870,781.72/73,835.70
  6. Step 6: Final answer
    x = 66,673.31

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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.