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Finding the Fourth Proportional to 72,834.42, 100,521.08 and 41,009.52

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Solution

The fourth proportional to 72,834.42, 100,521.08 and 41,009.52 is: 56,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834.42 : 100,521.08 = 41,009.52 : x
  2. Step 2: Convert to fraction form
    72,834.42/100,521.08 = 41,009.52/x
  3. Step 3: Cross multiply
    72,834.42x = 100,521.08 × 41,009.52
  4. Step 4: Simplify right side
    72,834.42x = 4,122,321,797.05
  5. Step 5: Solve for x
    x = 4,122,321,797.05/72,834.42
  6. Step 6: Final answer
    x = 56,598.54

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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.